diff --git a/plugins/display_renderers/panels_renderer_editor.class.php b/plugins/display_renderers/panels_renderer_editor.class.php
index 7aa9700..d614f87 100644
--- a/plugins/display_renderers/panels_renderer_editor.class.php
+++ b/plugins/display_renderers/panels_renderer_editor.class.php
@@ -153,7 +153,7 @@ class panels_renderer_editor extends panels_renderer_standard {
 
     $output = '<div class="' . $class . '" id="panel-pane-' . $pane->pid . '">';
 
-    if (!$block->title) {
+    if (empty($block->title)) {
       $block->title = t('No title');
     }