diff --git a/src/vector.c b/src/vector.c
index 0451eb082..8d09350fc 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -94,7 +94,7 @@ void git_vector_sort(git_vector *v)
 	if (v->sorted || v->_cmp == NULL)
 		return;
 
-	qsort(v->contents, v->length, sizeof(void *), v->_cmp);
+	git__msort(v->contents, v->length, sizeof(void *), v->_cmp);
 	v->sorted = 1;
 }