diff --git a/unittests/Basic/SourceManagerTest.cpp b/unittests/Basic/SourceManagerTest.cpp
index 443d077..a7beb8f 100644
--- a/unittests/Basic/SourceManagerTest.cpp
+++ b/unittests/Basic/SourceManagerTest.cpp
@@ -60,7 +60,8 @@
   }
 
   virtual void makeModuleVisible(Module *Mod,
-                                 Module::NameVisibilityKind Visibility) { }
+                                 Module::NameVisibilityKind Visibility,
+                                 SourceLocation ImportLoc) { }
 };
 
 TEST_F(SourceManagerTest, isBeforeInTranslationUnit) {