diff --git a/dummyimage.module b/dummyimage.module
index 599a4d3..d25e575 100644
--- a/dummyimage.module
+++ b/dummyimage.module
@@ -22,6 +22,14 @@ function dummyimage_menu() {
 }
 
 /**
+ * Implementation of hook_perm()
+ */
+
+function dummyimage_perm() {
+  return array( 'administer dummyimage');
+}
+
+/**
  * Admin settings form.
  */
 function dummyimage_admin_form() {