diff --git a/pom.xml b/pom.xml
index 3023cdd9..d7f02f54 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
   <packaging>jar</packaging>
 
   <properties>
-    <sebserver-version>1.3.1-SNAPSHOT</sebserver-version>
+    <sebserver-version>1.3.3-SNAPSHOT</sebserver-version>
     <build-version>${sebserver-version}</build-version>
     <revision>${sebserver-version}</revision>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/widget/MultiSelectionCheckbox.java b/src/main/java/ch/ethz/seb/sebserver/gui/widget/MultiSelectionCheckbox.java
index df41bdc7..36d91d24 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/widget/MultiSelectionCheckbox.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/widget/MultiSelectionCheckbox.java
@@ -82,10 +82,14 @@ public final class MultiSelectionCheckbox extends Composite implements Selection
             WidgetFactory.setARIALabel(button, tuple._2);
             this.checkboxes.put(tuple._1, button);
 
-            @SuppressWarnings("unchecked")
-            final Tuple3<String> tuple3 = tuple.adaptTo(Tuple3.class);
-            if (tuple3 != null && StringUtils.isNotBlank(tuple3._3)) {
-                button.setToolTipText(tuple3._3);
+            try {
+                @SuppressWarnings("unchecked")
+                final Tuple3<String> tuple3 = tuple.adaptTo(Tuple3.class);
+                if (tuple3 != null && StringUtils.isNotBlank(tuple3._3)) {
+                    button.setToolTipText(tuple3._3);
+                }
+            } catch (final Exception e) {
+                // ignore
             }
         }