diff --git a/3rdParty/webrtc_native/generate_ninja_files.bash b/3rdParty/webrtc_native/generate_ninja_files.bash
index c196606..55f3416 100755
--- a/3rdParty/webrtc_native/generate_ninja_files.bash
+++ b/3rdParty/webrtc_native/generate_ninja_files.bash
@@ -38,7 +38,7 @@ case "$architecture" in
 	osx64)
 		a=x64
 		extras=""
-		extra_flags="is_clang=true"
+		extra_flags="is_clang=true target_os=\"mac\""
 	;;
 	*)
 		echo>&2 "WARNING: Unknown target platform: $a, continuing anyway"