diff --git a/engines/sludge/loadsave.cpp b/engines/sludge/loadsave.cpp
index 453e78f..771a9cf 100644
--- a/engines/sludge/loadsave.cpp
+++ b/engines/sludge/loadsave.cpp
@@ -198,7 +198,7 @@ bool loadGame(const Common::String &fname) {
 		headerBad = true;
 	if (headerBad) {
 		fatal(ERROR_GAME_LOAD_NO, fname);
-		return NULL;
+		return false;
 	}
 	char c;
 	c = fp->readByte();