diff --git a/package.json b/package.json
index 111df6447..955bb3473 100644
--- a/package.json
+++ b/package.json
@@ -954,7 +954,7 @@
         "displayName": "%notebooks.SAS.sasNotebook%",
         "selector": [
           {
-            "filenamePattern": "*.{sasnb}"
+            "filenamePattern": "*.sasnb"
           }
         ]
       }