diff --git a/package.json b/package.json
index 59b784c..492a0e8 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
   },
   "activationEvents": [
     "onLanguage:php",
-    "workspaceContains:*.php"
+    "workspaceContains:**/*.php"
   ],
   "main": "./out/extension",
   "scripts": {