diff --git a/remote.c b/remote.c
index 28fd676acb..ddc4f8fd48 100644
--- a/remote.c
+++ b/remote.c
@@ -1660,7 +1660,7 @@ int branch_merge_matches(struct branch *branch,
 	return refname_match(branch->merge[i]->src, refname);
 }
 
-__attribute((format (printf,2,3)))
+__attribute__((format (printf,2,3)))
 static const char *error_buf(struct strbuf *err, const char *fmt, ...)
 {
 	if (err) {