diff --git a/grammars/mzn.cson b/grammars/mzn.cson
index 0ce3913..a26144e 100644
--- a/grammars/mzn.cson
+++ b/grammars/mzn.cson
@@ -140,7 +140,7 @@
   }
 
   {
-    'match': '([+-]?)\\d+(\\.[^\\.]\\d*)?([eE][-+]?\\d+)?'
+    'match': '([+-]?)\\d+(\\.\\d*)?([eE][-+]?\\d+)?'
     'name': 'constant.numeric.mzn'
   }
 ]