1 files changed, 3 insertions, 2 deletions
diff --git a/git-compat-util.h b/git-compat-util.h
index dd9209365..b2e18954c 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -139,9 +139,10 @@ static inline ssize_t xwrite(int fd, const void *buf, size_t len)
 	}
 }
 
-static inline int has_extension(const char *filename, int len, const char *ext)
+static inline int has_extension(const char *filename, const char *ext)
 {
-	int extlen = strlen(ext);
+	size_t len = strlen(filename);
+	size_t extlen = strlen(ext);
 	return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
 }