diff --git a/tests/Android.bp b/tests/Android.bp
index ee34666..d2a3110 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -361,8 +361,7 @@
 cc_test_library {
     name: "clang_diagnostic_tests",
     cflags: [
-        "-Xclang",
-        "-verify",
+        "-Xclang -verify",
     ],
     srcs: ["sys_ioctl_diag_test.cpp"],
 }