diff --git a/scripts/Common/Config/Chromium/install-extension.sh b/scripts/Common/Config/Chromium/install-extension.sh
index 32d99783..680bec89 100755
--- a/scripts/Common/Config/Chromium/install-extension.sh
+++ b/scripts/Common/Config/Chromium/install-extension.sh
@@ -33,8 +33,8 @@ else
 
     # Install extension and preinstall it
     cp "$extensionFile" "$EXTENSION_DIR";
-    chmod -R a+rx "$extensionRoot";
-    chmod -R u+w "$extensionRoot";
+    chmod -R a+rx "$EXTENSION_DIR";
+    chmod -R u+w "$EXTENSION_DIR";
     mkdir -p "$EXTENSION_POLICY_DIR";
     {
         echo "{";