--- a/tools/fuzzing/libfuzzer/harness/LibFuzzerTestHarness.h
+++ b/tools/fuzzing/libfuzzer/harness/LibFuzzerTestHarness.h
@@ -70,17 +70,17 @@ void passed(const char* msg, ...)
   vprintf(msg, ap);
   va_end(ap);
 
   putchar('\n');
 }
 
 //-----------------------------------------------------------------------------
 
-static class ScopedXPCOM : public nsIDirectoryServiceProvider2
+class ScopedXPCOM : public nsIDirectoryServiceProvider2
 {
   public:
     NS_DECL_ISUPPORTS
 
     explicit ScopedXPCOM(const char* testName,
                          nsIDirectoryServiceProvider *dirSvcProvider = nullptr)
     : mDirSvcProvider(dirSvcProvider)
     {