diff --git a/cc/compiler.go b/cc/compiler.go
index fd6184b..0f9599e 100644
--- a/cc/compiler.go
+++ b/cc/compiler.go
@@ -485,7 +485,7 @@
 			"-I"+android.PathForModuleGen(ctx, "aidl").String())
 	}
 
-	if compiler.hasSrcExt(".rs") || compiler.hasSrcExt(".fs") {
+	if compiler.hasSrcExt(".rscript") || compiler.hasSrcExt(".fs") {
 		flags = rsFlags(ctx, flags, &compiler.Properties)
 	}