diff --git a/hosting.install b/hosting.install
index 02a9199..e31cc14 100644
--- a/hosting.install
+++ b/hosting.install
@@ -632,3 +632,15 @@ function hosting_update_7303() {
     }
   }
 }
+
+/**
+ * Upgrade existing hosting_task_logs_types_display variable to an array
+ */
+function hosting_update_7304() {
+  $display = variable_get('hosting_task_logs_types_display', 'error warning info message ok status success');
+  if(is_string($display)) {
+    $display = explode(' ', $display);
+    $display = array_combine($display, $display);
+    variable_set('hosting_task_logs_types_display', $display);
+  }
+}