diff --git a/test/malli/error_test.cljc b/test/malli/error_test.cljc
index 8e960f952..a3b74c9c7 100644
--- a/test/malli/error_test.cljc
+++ b/test/malli/error_test.cljc
@@ -671,6 +671,13 @@
          (-> (m/explain [:map [:user [:multi {:dispatch :type}]]] {:user nil})
              (me/humanize)))))
 
+(deftest push-assoc-keyword-on-vector-775
+  (let [x []
+        k :rong
+        v ["should be :wrong"]
+        fill nil]
+    (is (= [["should be :wrong"]] (me/-push x k v fill)))))
+
 (deftest in-error-test
   (let [Address [:map {:closed true}
                  [:id :string]