diff --git a/test/test_manifest.json b/test/test_manifest.json
index 5a1efd75d..7ae6ab0d3 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -368,5 +368,11 @@
       "md5": "de80aeca7cbf79940189fd34d59671ee",
       "rounds": 1,
       "type": "eq"
+    },
+    {  "id": "smaskdim",
+      "file": "pdfs/type4psfunc.pdf",
+      "md5": "7e6027a02ff78577f74dccdf84e37189",
+      "rounds": 1,
+      "type": "eq"
     }
 ]