diff --git a/application/views/monpas/pages/sopoverzicht.php b/application/views/monpas/pages/sopoverzicht.php
index f5abc40..8c8f836 100644
--- a/application/views/monpas/pages/sopoverzicht.php
+++ b/application/views/monpas/pages/sopoverzicht.php
@@ -4,9 +4,9 @@
 
         <div class="col-xs-9 " >
 
-            <h4 data-bind="text: titel ">
+            <h4 data-bind="text: titel ? titel : ''  ">
             </h4>
-            <h4 data-bind="text: subtitel ">
+            <h4 data-bind=" text: subtitel ? subtitel : '' ">
             </h4>