diff --git a/bindings/rust/build.rs b/bindings/rust/build.rs
index 692305a..0f677ff 100644
--- a/bindings/rust/build.rs
+++ b/bindings/rust/build.rs
@@ -17,7 +17,7 @@ fn main() {
 
     let mut cc = cc::Build::new();
 
-    #[cfg(windows)]
+    #[cfg(all(windows, target_env = "msvc"))]
     {
         cc.flag("-D_CRT_SECURE_NO_WARNINGS");