diff --git a/extensions/php-language-features/package.json b/extensions/php-language-features/package.json
index 1559eca758f..3763949d647 100644
--- a/extensions/php-language-features/package.json
+++ b/extensions/php-language-features/package.json
@@ -21,7 +21,10 @@
     "virtualWorkspaces": false,
     "untrustedWorkspaces": {
       "supported": "limited",
-      "description": "%workspaceTrust%"
+      "description": "%workspaceTrust%",
+      "restrictedConfigurations": [
+        "php.validate.executablePath"
+      ]
     }
   },
   "contributes": {