diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index f3998d5ddd02903041f9040b8ac4aa72b1ad91bd..c796d402665e4d71c4a65d7f26c83a02eb15d881 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -33,7 +33,7 @@ static bool is_dir(const char *path)
 	struct stat st;
 
 	if (stat(path, &st))
-		return 0;
+		return false;
 
 	return S_ISDIR(st.st_mode);
 }