diff --git a/inc/ui/collection-edit.php b/inc/ui/collection-edit.php
index 9f8da177..3a2b7dfc 100644
--- a/inc/ui/collection-edit.php
+++ b/inc/ui/collection-edit.php
@@ -117,6 +117,9 @@ if ( $can_write_collection && $editor->IsSubmit() ) {
 }
 else {
   $editor->GetRecord();
+  if ( $editor->IsSubmit() ) {
+    $c->messages[] = i18n('You do not have permission to modify this record.');
+  }
 }
 if ( $editor->Available() ) {
   $c->page_title = $editor->Title(translate('Collection').': '.$editor->Value('dav_displayname'));
diff --git a/inc/ui/principal-edit.php b/inc/ui/principal-edit.php
index ee61bb91..c574d349 100644
--- a/inc/ui/principal-edit.php
+++ b/inc/ui/principal-edit.php
@@ -158,7 +158,7 @@ if ( $can_write_principal && $editor->IsSubmit() ) {
 else {
   $editor->GetRecord();
   if ( $editor->IsSubmit() ) {
-    $post_values = true;
+    $c->messages[] = i18n('You do not have permission to modify this record.');
   }
 }
 if ( $editor->Available() ) {