diff --git a/compiler/rustc_target/src/spec/aarch64_fuchsia.rs b/compiler/rustc_target/src/spec/aarch64_unknown_fuchsia.rs
similarity index 88%
rename from compiler/rustc_target/src/spec/aarch64_fuchsia.rs
rename to compiler/rustc_target/src/spec/aarch64_unknown_fuchsia.rs
index 05e0c65dd5c38..f7759f7a88319 100644
--- a/compiler/rustc_target/src/spec/aarch64_fuchsia.rs
+++ b/compiler/rustc_target/src/spec/aarch64_unknown_fuchsia.rs
@@ -2,7 +2,7 @@ use crate::spec::{SanitizerSet, Target, TargetOptions};
 
 pub fn target() -> Target {
     Target {
-        llvm_target: "aarch64-fuchsia".to_string(),
+        llvm_target: "aarch64-unknown-fuchsia".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs
index 0b95d1ca851a1..ad3b0796e78f7 100644
--- a/compiler/rustc_target/src/spec/mod.rs
+++ b/compiler/rustc_target/src/spec/mod.rs
@@ -838,8 +838,8 @@ supported_targets! {
     ("x86_64-apple-darwin", x86_64_apple_darwin),
     ("i686-apple-darwin", i686_apple_darwin),
 
-    ("aarch64-fuchsia", aarch64_fuchsia),
-    ("x86_64-fuchsia", x86_64_fuchsia),
+    ("aarch64-unknown-fuchsia", aarch64_unknown_fuchsia),
+    ("x86_64-unknown-fuchsia", x86_64_unknown_fuchsia),
 
     ("avr-unknown-gnu-atmega328", avr_unknown_gnu_atmega328),
 
diff --git a/compiler/rustc_target/src/spec/x86_64_fuchsia.rs b/compiler/rustc_target/src/spec/x86_64_unknown_fuchsia.rs
similarity index 91%
rename from compiler/rustc_target/src/spec/x86_64_fuchsia.rs
rename to compiler/rustc_target/src/spec/x86_64_unknown_fuchsia.rs
index c253c0c30b3d3..e1eb4bec2e89c 100644
--- a/compiler/rustc_target/src/spec/x86_64_fuchsia.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_fuchsia.rs
@@ -9,7 +9,7 @@ pub fn target() -> Target {
     base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::CFI;
 
     Target {
-        llvm_target: "x86_64-fuchsia".to_string(),
+        llvm_target: "x86_64-unknown-fuchsia".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs
index 37578e30f6d0f..2492a858e6671 100644
--- a/src/bootstrap/native.rs
+++ b/src/bootstrap/native.rs
@@ -835,12 +835,12 @@ fn supported_sanitizers(
 
     match &*target.triple {
         "aarch64-apple-darwin" => darwin_libs("osx", &["asan", "lsan", "tsan"]),
-        "aarch64-fuchsia" => common_libs("fuchsia", "aarch64", &["asan"]),
+        "aarch64-unknown-fuchsia" => common_libs("fuchsia", "aarch64", &["asan"]),
         "aarch64-unknown-linux-gnu" => {
             common_libs("linux", "aarch64", &["asan", "lsan", "msan", "tsan", "hwasan"])
         }
         "x86_64-apple-darwin" => darwin_libs("osx", &["asan", "lsan", "tsan"]),
-        "x86_64-fuchsia" => common_libs("fuchsia", "x86_64", &["asan"]),
+        "x86_64-unknown-fuchsia" => common_libs("fuchsia", "x86_64", &["asan"]),
         "x86_64-unknown-freebsd" => common_libs("freebsd", "x86_64", &["asan", "msan", "tsan"]),
         "x86_64-unknown-netbsd" => {
             common_libs("netbsd", "x86_64", &["asan", "lsan", "msan", "tsan"])
diff --git a/src/ci/docker/host-x86_64/dist-various-2/Dockerfile b/src/ci/docker/host-x86_64/dist-various-2/Dockerfile
index e363c4f79f9cf..bcd569d071121 100644
--- a/src/ci/docker/host-x86_64/dist-various-2/Dockerfile
+++ b/src/ci/docker/host-x86_64/dist-various-2/Dockerfile
@@ -30,12 +30,12 @@ RUN apt-key adv --batch --yes --keyserver keyserver.ubuntu.com --recv-keys 74DA7
 RUN add-apt-repository -y 'deb https://apt.dilos.org/dilos dilos2 main'
 
 ENV \
-    AR_x86_64_fuchsia=x86_64-fuchsia-ar \
-    CC_x86_64_fuchsia=x86_64-fuchsia-clang \
-    CXX_x86_64_fuchsia=x86_64-fuchsia-clang++ \
-    AR_aarch64_fuchsia=aarch64-fuchsia-ar \
-    CC_aarch64_fuchsia=aarch64-fuchsia-clang \
-    CXX_aarch64_fuchsia=aarch64-fuchsia-clang++ \
+    AR_x86_64_unknown_fuchsia=x86_64-unknown-fuchsia-ar \
+    CC_x86_64_unknown_fuchsia=x86_64-unknown-fuchsia-clang \
+    CXX_x86_64_unknown_fuchsia=x86_64-unknown-fuchsia-clang++ \
+    AR_aarch64_unknown_fuchsia=aarch64-unknown-fuchsia-ar \
+    CC_aarch64_unknown_fuchsia=aarch64-unknown-fuchsia-clang \
+    CXX_aarch64_unknown_fuchsia=aarch64-unknown-fuchsia-clang++ \
     AR_sparcv9_sun_solaris=sparcv9-sun-solaris2.10-ar \
     CC_sparcv9_sun_solaris=sparcv9-sun-solaris2.10-gcc \
     CXX_sparcv9_sun_solaris=sparcv9-sun-solaris2.10-g++ \
@@ -87,19 +87,19 @@ RUN /tmp/freebsd-toolchain.sh i686
 COPY scripts/sccache.sh /scripts/
 RUN sh /scripts/sccache.sh
 
-ENV CARGO_TARGET_X86_64_FUCHSIA_AR /usr/local/bin/llvm-ar
-ENV CARGO_TARGET_X86_64_FUCHSIA_RUSTFLAGS \
--C link-arg=--sysroot=/usr/local/x86_64-fuchsia \
--C link-arg=-L/usr/local/x86_64-fuchsia/lib \
--C link-arg=-L/usr/local/lib/x86_64-fuchsia/lib
-ENV CARGO_TARGET_AARCH64_FUCHSIA_AR /usr/local/bin/llvm-ar
-ENV CARGO_TARGET_AARCH64_FUCHSIA_RUSTFLAGS \
--C link-arg=--sysroot=/usr/local/aarch64-fuchsia \
--C link-arg=-L/usr/local/aarch64-fuchsia/lib \
--C link-arg=-L/usr/local/lib/aarch64-fuchsia/lib
+ENV CARGO_TARGET_X86_64_UNKNOWN_FUCHSIA_AR /usr/local/bin/llvm-ar
+ENV CARGO_TARGET_X86_64_UNKNOWN_FUCHSIA_RUSTFLAGS \
+-C link-arg=--sysroot=/usr/local/x86_64-unknown-fuchsia \
+-C link-arg=-L/usr/local/x86_64-unknown-fuchsia/lib \
+-C link-arg=-L/usr/local/lib/x86_64-unknown-fuchsia/lib
+ENV CARGO_TARGET_AARCH64_UNKNOWN_FUCHSIA_AR /usr/local/bin/llvm-ar
+ENV CARGO_TARGET_AARCH64_UNKNOWN_FUCHSIA_RUSTFLAGS \
+-C link-arg=--sysroot=/usr/local/aarch64-unknown-fuchsia \
+-C link-arg=-L/usr/local/aarch64-unknown-fuchsia/lib \
+-C link-arg=-L/usr/local/lib/aarch64-unknown-fuchsia/lib
 
-ENV TARGETS=x86_64-fuchsia
-ENV TARGETS=$TARGETS,aarch64-fuchsia
+ENV TARGETS=x86_64-unknown-fuchsia
+ENV TARGETS=$TARGETS,aarch64-unknown-fuchsia
 ENV TARGETS=$TARGETS,wasm32-unknown-unknown
 ENV TARGETS=$TARGETS,wasm32-wasi
 ENV TARGETS=$TARGETS,sparcv9-sun-solaris
diff --git a/src/ci/docker/host-x86_64/dist-various-2/build-fuchsia-toolchain.sh b/src/ci/docker/host-x86_64/dist-various-2/build-fuchsia-toolchain.sh
index 73acdf5be6356..a4916abbf362c 100755
--- a/src/ci/docker/host-x86_64/dist-various-2/build-fuchsia-toolchain.sh
+++ b/src/ci/docker/host-x86_64/dist-various-2/build-fuchsia-toolchain.sh
@@ -28,7 +28,7 @@ build() {
   esac
 
   hide_output make -j$(getconf _NPROCESSORS_ONLN) $tgt
-  dst=/usr/local/${arch}-fuchsia
+  dst=/usr/local/${arch}-unknown-fuchsia
   mkdir -p $dst
   cp -a build-${tgt}/sysroot/include $dst/
   cp -a build-${tgt}/sysroot/lib $dst/
@@ -44,11 +44,11 @@ rm -rf zircon
 
 for arch in x86_64 aarch64; do
   for tool in clang clang++; do
-    cat >/usr/local/bin/${arch}-fuchsia-${tool} <<EOF
+    cat >/usr/local/bin/${arch}-unknown-fuchsia-${tool} <<EOF
 #!/bin/sh
-${tool} --target=${arch}-fuchsia --sysroot=/usr/local/${arch}-fuchsia "\$@"
+${tool} --target=${arch}-unknown-fuchsia --sysroot=/usr/local/${arch}-unknown-fuchsia "\$@"
 EOF
-    chmod +x /usr/local/bin/${arch}-fuchsia-${tool}
+    chmod +x /usr/local/bin/${arch}-unknown-fuchsia-${tool}
   done
-  ln -s /usr/local/bin/llvm-ar /usr/local/bin/${arch}-fuchsia-ar
+  ln -s /usr/local/bin/llvm-ar /usr/local/bin/${arch}-unknown-fuchsia-ar
 done
diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md
index 6b0c336b3c799..ea25e3e9277ed 100644
--- a/src/doc/rustc/src/platform-support.md
+++ b/src/doc/rustc/src/platform-support.md
@@ -120,7 +120,7 @@ target | std | notes
 -------|:---:|-------
 `aarch64-apple-ios` | ✓ | ARM64 iOS
 [`aarch64-apple-ios-sim`](platform-support/aarch64-apple-ios-sim.md) | ✓ | Apple iOS Simulator on ARM64
-`aarch64-fuchsia` | ✓ | ARM64 Fuchsia
+`aarch64-unknown-fuchsia` | ✓ | ARM64 Fuchsia
 `aarch64-linux-android` | ✓ | ARM64 Android
 `aarch64-unknown-none-softfloat` | * | Bare ARM64, softfloat
 `aarch64-unknown-none` | * | Bare ARM64, hardfloat
@@ -171,7 +171,7 @@ target | std | notes
 `wasm32-wasi` | ✓ | WebAssembly with WASI
 `x86_64-apple-ios` | ✓ | 64-bit x86 iOS
 `x86_64-fortanix-unknown-sgx` | ✓ | [Fortanix ABI] for 64-bit Intel SGX
-`x86_64-fuchsia` | ✓ | 64-bit Fuchsia
+`x86_64-unknown-fuchsia` | ✓ | 64-bit Fuchsia
 `x86_64-linux-android` | ✓ | 64-bit x86 Android
 `x86_64-pc-solaris` | ✓ | 64-bit Solaris 10/11, illumos
 `x86_64-unknown-linux-gnux32` | ✓ | 64-bit Linux (x32 ABI) (kernel 4.15, glibc 2.27)
diff --git a/src/doc/unstable-book/src/compiler-flags/sanitizer.md b/src/doc/unstable-book/src/compiler-flags/sanitizer.md
index b3dbc9a995679..c8623defde724 100644
--- a/src/doc/unstable-book/src/compiler-flags/sanitizer.md
+++ b/src/doc/unstable-book/src/compiler-flags/sanitizer.md
@@ -40,10 +40,10 @@ with runtime flag `ASAN_OPTIONS=detect_leaks=1` on macOS.
 AddressSanitizer is supported on the following targets:
 
 * `aarch64-apple-darwin`
-* `aarch64-fuchsia`
+* `aarch64-unknown-fuchsia`
 * `aarch64-unknown-linux-gnu`
 * `x86_64-apple-darwin`
-* `x86_64-fuchsia`
+* `x86_64-unknown-fuchsia`
 * `x86_64-unknown-freebsd`
 * `x86_64-unknown-linux-gnu`
 
diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs
index c1579ae9ac54a..0c20675b7c99c 100644
--- a/src/tools/build-manifest/src/main.rs
+++ b/src/tools/build-manifest/src/main.rs
@@ -55,7 +55,7 @@ static TARGETS: &[&str] = &[
     "aarch64-apple-darwin",
     "aarch64-apple-ios",
     "aarch64-apple-ios-sim",
-    "aarch64-fuchsia",
+    "aarch64-unknown-fuchsia",
     "aarch64-linux-android",
     "aarch64-pc-windows-msvc",
     "aarch64-unknown-hermit",
@@ -139,7 +139,7 @@ static TARGETS: &[&str] = &[
     "x86_64-apple-darwin",
     "x86_64-apple-ios",
     "x86_64-fortanix-unknown-sgx",
-    "x86_64-fuchsia",
+    "x86_64-unknown-fuchsia",
     "x86_64-linux-android",
     "x86_64-pc-windows-gnu",
     "x86_64-pc-windows-msvc",
diff --git a/src/tools/compiletest/src/util.rs b/src/tools/compiletest/src/util.rs
index d03c21dc5086f..dd7a99d324442 100644
--- a/src/tools/compiletest/src/util.rs
+++ b/src/tools/compiletest/src/util.rs
@@ -87,10 +87,10 @@ const ARCH_TABLE: &[(&str, &str)] = &[
 
 pub const ASAN_SUPPORTED_TARGETS: &[&str] = &[
     "aarch64-apple-darwin",
-    "aarch64-fuchsia",
+    "aarch64-unknown-fuchsia",
     "aarch64-unknown-linux-gnu",
     "x86_64-apple-darwin",
-    "x86_64-fuchsia",
+    "x86_64-unknown-fuchsia",
     "x86_64-unknown-freebsd",
     "x86_64-unknown-linux-gnu",
 ];