diff --git a/package.json b/package.json
index 612ac2c..3c30189 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     }, {
 			"id": "erb",
       "aliases": ["erb", "Encapsulated Ruby", "HTML Ruby"],
-			"extensions": [".erb", ".rhtml", ".rhtm"],
+			"extensions": [".erb", ".rhtml", ".rhtm", ".html.erb"],
       "configuration": "./language_configuration.erb.json"
 		}],
     "grammars": [{
@@ -67,4 +67,4 @@
   "scripts": {
     "postinstall": "node ./node_modules/vscode/bin/install"
   }
-}
\ No newline at end of file
+}