diff --git a/language-configuration.json b/language-configuration.json
new file mode 100644
index 00000000..d67c2b73
--- /dev/null
+++ b/language-configuration.json
@@ -0,0 +1,5 @@
+{
+  "comments": {
+    "lineComment": "\""
+  }
+}
diff --git a/package.json b/package.json
index 4d0554b0..62681fcb 100644
--- a/package.json
+++ b/package.json
@@ -1009,7 +1009,8 @@
         "id": "vimrc",
         "extensions": [
           ".vimrc"
-        ]
+        ],
+        "configuration": "./language-configuration.json"
       }
     ],
     "grammars": [