diff --git a/image_caption_formatter.module b/image_caption_formatter.module
index f0c498c..4584729 100644
--- a/image_caption_formatter.module
+++ b/image_caption_formatter.module
@@ -166,7 +166,7 @@ function theme_image_caption_formatter($variables) {
     $output = l($output, $path, $options);
   }
 
-  if ($image['title']) {
+  if (isset($image['title'])) {
     $output = image_caption_formatter_caption($output, $image['title']);
   }
   return $output;