diff --git a/web/themes/custom/geofresco/geofresco.theme b/web/themes/custom/geofresco/geofresco.theme
index e6b72fe..ee2fe5d 100644
--- a/web/themes/custom/geofresco/geofresco.theme
+++ b/web/themes/custom/geofresco/geofresco.theme
@@ -5,6 +5,10 @@
  */
 function geofresco_preprocess_page_title(&$variables) {
   // WE SHALL BE SHAMELESS.
+  if (!isset($variables['title']) || !is_array($variables['title'])) {
+    // The pages we're interested in have title as markup, so bail if it's not.
+    return;
+  }
   $string = isset($variables['title']['#markup']) ? $variables['title']['#markup'] : FALSE;
   if ($string && $pos = strpos($string, "'s blog", -7)) {
     $uid = substr($string, 0, $pos);