diff --git a/test/unittests/backends/webgl/test_reshape_packed.ts b/test/unittests/backends/webgl/test_reshape_packed.ts
index 1f7bf3d8..5f30cf60 100644
--- a/test/unittests/backends/webgl/test_reshape_packed.ts
+++ b/test/unittests/backends/webgl/test_reshape_packed.ts
@@ -156,5 +156,10 @@ function getTestData(): TestData[] {
       inputShape: [2, 2, 2, 4],
       outputShape: [2, 1, 4, 4],
     },
+    {
+      elementCount: 18432,
+      inputShape: [512, 36, 1, 1],
+      outputShape: [512, 36],
+    },
   ];
 }