diff --git a/test/pdfs/.gitignore b/test/pdfs/.gitignore
index a757acf34..325987de6 100644
--- a/test/pdfs/.gitignore
+++ b/test/pdfs/.gitignore
@@ -16,3 +16,4 @@
 !alphatrans.pdf
 !devicen.pdf
 !cmykjpeg.pdf
+!issue840.pdf
diff --git a/test/pdfs/issue840.pdf b/test/pdfs/issue840.pdf
new file mode 100644
index 000000000..6501a8c95
Binary files /dev/null and b/test/pdfs/issue840.pdf differ
diff --git a/test/test_manifest.json b/test/test_manifest.json
index dd861c9f2..bfa131d9a 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -290,5 +290,11 @@
        "link": true,
        "rounds": 1,
        "type": "eq"
+    },
+    {  "id": "issue840",
+       "file": "pdfs/issue840.pdf",
+       "md5": "20d88011dd7e3c4fb5274979094dab93",
+       "rounds": 1,
+       "type": "eq"
     }
 ]