diff --git a/clang/test/Preprocessor/llvm-rc.rc b/clang/test/Preprocessor/llvm-rc.rc
index 799bf347dbee..f08fdd0506bb 100644
--- a/clang/test/Preprocessor/llvm-rc.rc
+++ b/clang/test/Preprocessor/llvm-rc.rc
@@ -1,4 +1,4 @@
-// RUN: llvm-rc -v -i%p/Inputs -Fo%t.res %s
+// RUN: llvm-rc -v -i%p/Inputs -Fo%t.res -- %s
 // RUN: llvm-readobj %t.res | FileCheck %s
 // CHECK: Resource type (int): RCDATA (ID 10)
 // CHECK: Resource name (int): 42