diff --git a/cc/testing.go b/cc/testing.go
index d1632aa..24d6b0f 100644
--- a/cc/testing.go
+++ b/cc/testing.go
@@ -558,7 +558,7 @@
 	// This includes files that are needed by all, or at least most, instances of a cc module type.
 	android.MockFS{
 		// Needed for ndk_prebuilt_(shared|static)_stl.
-		"prebuilts/ndk/current/sources/cxx-stl/llvm-libc++/libs": nil,
+		"defaults/cc/common/current/sources/cxx-stl/llvm-libc++/libs": nil,
 	}.AddToFixture(),
 )