diff --git a/EngineCore/Cargo.lock b/EngineCore/Cargo.lock
index e56a603b..bc04ec89 100644
--- a/EngineCore/Cargo.lock
+++ b/EngineCore/Cargo.lock
@@ -457,6 +457,11 @@ dependencies = [
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "fs_extra"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "fuchsia-zircon"
 version = "0.3.3"
@@ -646,6 +651,25 @@ name = "itoa"
 version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "jemalloc-sys"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fs_extra 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "jemallocator"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "jemalloc-sys 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "kernel32-sys"
 version = "0.2.2"
@@ -784,6 +808,7 @@ version = "0.1.0"
 dependencies = [
  "cgmath 0.16.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "enet 0.1.0",
+ "jemallocator 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "ngsbase 0.1.0",
  "ngscom 0.1.0",
  "ngspf 0.1.0",
@@ -2574,6 +2599,7 @@ dependencies = [
 "checksum fragile 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2ff777830a3bf2d15c62c51a5075bc928d912784c73303db630eecadba9cb5fc"
 "checksum freetype 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "11926b2b410b469d0e9399eca4cbbe237a9ef02176c485803b29216307e8e028"
 "checksum fs2 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "bcd414e5a1a979b931bb92f41b7a54106d3f6d2e6c253e9ce943b7cd468251ef"
+"checksum fs_extra 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5f2a4a2034423744d2cc7ca2068453168dcdb82c438419e639a26bd87839c674"
 "checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
 "checksum fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 "checksum futures-async-runtime-preview 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "33c03035be1dae627b7e05c6984acb1f2086043fde5249ae51604f1ff20ed037"
@@ -2593,6 +2619,8 @@ dependencies = [
 "checksum iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dbe6e417e7d0975db6512b90796e8ce223145ac4e33c377e4a42882a0e88bb08"
 "checksum itertools 0.7.8 (registry+https://github.com/rust-lang/crates.io-index)" = "f58856976b776fedd95533137617a02fb25719f40e7d9b01c7043cd65474f450"
 "checksum itoa 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8324a32baf01e2ae060e9de58ed0bc2320c9a2833491ee36cd3b4c414de4db8c"
+"checksum jemalloc-sys 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "bfc62c8e50e381768ce8ee0428ee53741929f7ebd73e4d83f669bcf7693e00ae"
+"checksum jemallocator 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "9f0cd42ac65f758063fea55126b0148b1ce0a6354ff78e07a4d6806bc65c4ab3"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
 "checksum lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca488b89a5657b0a2ecd45b95609b3e848cf1755da332a0da46e2b2b1cb371a7"
diff --git a/EngineCore/src/ngsengine/Cargo.toml b/EngineCore/src/ngsengine/Cargo.toml
index 8ee61c52..52ac19ee 100644
--- a/EngineCore/src/ngsengine/Cargo.toml
+++ b/EngineCore/src/ngsengine/Cargo.toml
@@ -14,3 +14,7 @@ ngscom = { path = "../ngscom" }
 ngspf = { path = "../ngspf" }
 ngspf_com = { path = "../ngspf/src/com" }
 cgmath = "0.16.1"
+
+[dependencies.jemallocator]
+version = "0.1.9"
+features = ["unprefixed_malloc_on_supported_platforms"]
diff --git a/EngineCore/src/ngsengine/src/lib.rs b/EngineCore/src/ngsengine/src/lib.rs
index 4d49d07d..7f50c797 100644
--- a/EngineCore/src/ngsengine/src/lib.rs
+++ b/EngineCore/src/ngsengine/src/lib.rs
@@ -6,3 +6,7 @@
 mod entry;
 
 pub use self::entry::ngsengine_create;
+
+// Register jemalloc as the global allocator
+#[global_allocator]
+static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
diff --git a/EngineCore/src/ngsloader/src/lib.rs b/EngineCore/src/ngsloader/src/lib.rs
index aaa5b264..ba7dee0b 100644
--- a/EngineCore/src/ngsloader/src/lib.rs
+++ b/EngineCore/src/ngsloader/src/lib.rs
@@ -12,10 +12,6 @@
 //!
 //! [`ngsengine`]: ../ngsengine/index.html
 //!
-// Use the system allocator - we don't want two instances of jemalloc running
-// simultaneously! Besides, we don't care about the allocator's performance here.
-#![feature(alloc_system)]
-extern crate alloc_system;
 
 use ngsbase::INgsProcessorInfo;
 use ngscom::{hresults, BStringRef, ComPtr, HResult};