--- panels.module
+++ panels.module
@@ -621,7 +621,7 @@
   while ($pane = db_fetch_object($result)) {
     $pane->configuration = unserialize($pane->configuration);
     $pane->cache = empty($pane->cache) ? array() : unserialize($pane->cache);
-    $pane->access = ($pane->access ? explode(', ', $pane->access) : array());
+    $pane->access = ($pane->access ? explode(',', $pane->access) : array());
     // Old panels may not have shown property, so enable by default when loading.
     $pane->shown = isset($pane->shown) ? $pane->shown : TRUE;
 
--- panels_page/panels_page.read.inc
+++ panels_page/panels_page.read.inc
@@ -30,7 +30,7 @@
   }
 
   while ($page = db_fetch_object($result)) {
-    $page->access           = ($page->access ? explode(', ', $page->access) : array());
+    $page->access           = ($page->access ? explode(',', $page->access) : array());
     $page->arguments        = (!empty($page->arguments)) ? unserialize($page->arguments) : array();
     $page->displays         = (!empty($page->displays)) ? unserialize($page->displays) : array();
     $page->contexts         = (!empty($page->contexts)) ? unserialize($page->contexts) : array();
@@ -99,7 +99,7 @@
     $page->type = isset($defaults[$id]) ? t('Overridden') : t('Local');
   }
 
-  $page->access           = ($page->access ? explode(', ', $page->access) : array());
+  $page->access           = ($page->access ? explode(',', $page->access) : array());
   $page->arguments        = (!empty($page->arguments)) ? unserialize($page->arguments) : array();
   $page->displays         = (!empty($page->displays)) ? unserialize($page->displays) : array();
   $page->contexts         = (!empty($page->contexts)) ? unserialize($page->contexts) : array();
@@ -281,7 +281,7 @@
   if (is_null($access_data)) {
     $result = db_query('SELECT pid, name, access FROM {panels_page}');
     while ($row = db_fetch_object($result)) {
-      $access_data[$row->pid] = explode(', ', $row->access);
+      $access_data[$row->pid] = explode(',', $row->access);
       $access_data[$row->name] = &$access_data[$row->pid];
     }
   }