diff --git a/src/name.cpp b/src/name.cpp
index 07482ec52..5ab361d42 100644
--- a/src/name.cpp
+++ b/src/name.cpp
@@ -182,7 +182,7 @@ void FName::NameManager::InitBuckets ()
 	// Register built-in names. 'None' must be name 0.
 	for (size_t i = 0; i < countof(PredefinedNames); ++i)
 	{
-		assert(NULL == FindName(PredefinedNames[i], true) && "Predefined name already inserted");
+		assert((NULL == FindName(PredefinedNames[i], true)) && "Predefined name already inserted");
 		FindName (PredefinedNames[i], false);
 	}
 }