diff --git a/BUILD.gn b/BUILD.gn
index 37f7de1..53b1d82 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -15,10 +15,14 @@
 import("src/Reactor/reactor.gni")
 
 config("swiftshader_config") {
-  cflags = [ "-Wno-shadow" ]
+  cflags = []
   defines = []
   asmflags = []
 
+  if (is_clang) {
+    cflags += [ "-Wno-shadow" ]
+  }
+
   if (!is_debug) {
     defines += [ "ANGLE_DISABLE_TRACE" ]
   }