diff --git a/src/refs.c b/src/refs.c
index 7685d560c..659ac94b8 100644
--- a/src/refs.c
+++ b/src/refs.c
@@ -1484,6 +1484,7 @@ int git_reference_foreach(
 	if (list_flags & GIT_REF_PACKED) {
 		const char *ref_name;
 		void *ref;
+		GIT_UNUSED(ref);
 
 		if (packed_load(repo) < 0)
 			return -1;