diff --git a/number.json b/number.json
index 43ae960..f13d401 100644
--- a/number.json
+++ b/number.json
@@ -201,6 +201,12 @@
         "header_type": "item",
         "expected": [-1.123, []]
     },
+    {
+        "name": "decimal with zero fractional digits",
+        "raw": ["1."],
+        "header_type": "item",
+        "must_fail": true
+    },
     {
         "name": "decimal with four fractional digits",
         "raw": ["1.1234"],