diff --git a/src/os/unix/consts.rs b/src/os/unix/consts.rs
index ea7a6a102..a135c0c43 100644
--- a/src/os/unix/consts.rs
+++ b/src/os/unix/consts.rs
@@ -82,6 +82,7 @@ mod posix {
 
             target_os = "fuchsia",
             target_os = "redox",
+            target_os = "nto",
         ))] {
             pub(super) const RTLD_LAZY: c_int = 1;
         } else {
@@ -115,6 +116,7 @@ mod posix {
 
             target_os = "fuchsia",
             target_os = "redox",
+            target_os = "nto",
         ))] {
             pub(super) const RTLD_NOW: c_int = 2;
         } else if #[cfg(all(target_os = "android",target_pointer_width = "32"))] {
@@ -162,6 +164,7 @@ mod posix {
 
             target_os = "fuchsia",
             target_os = "redox",
+            target_os = "nto",
         ))] {
             pub(super) const RTLD_GLOBAL: c_int = 0x100;
         } else {
@@ -172,7 +175,10 @@ mod posix {
     }
 
     cfg_if! {
-        if #[cfg(target_os = "netbsd")] {
+        if #[cfg(any(
+           target_os = "netbsd",
+           target_os = "nto",
+        ))] {
             pub(super) const RTLD_LOCAL: c_int = 0x200;
         } else if #[cfg(target_os = "aix")] {
             pub(super) const RTLD_LOCAL: c_int = 0x80000;