diff --git a/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/launch/ExecutionContextLabelText.java b/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/launch/ExecutionContextLabelText.java
index 540f45ac7d6..a854d40a30b 100644
--- a/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/launch/ExecutionContextLabelText.java
+++ b/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/launch/ExecutionContextLabelText.java
@@ -74,6 +74,8 @@ public class ExecutionContextLabelText extends LabelText {
                 reasonLabel = MessagesForLaunchVM.State_change_reason__Watchpoint__label;
             } else if (StateChangeReason.EVENT_BREAKPOINT.name().equals(reason)) {
             	reasonLabel = MessagesForLaunchVM.State_change_reason__EventBreakpoint__label;
+            } else if (StateChangeReason.UNKNOWN.name().equals(reason)) {
+            	reasonLabel = MessagesForLaunchVM.State_change_reason__Unknown__label;
             } else {
             	assert false : "unexpected state change reason: " + reason; //$NON-NLS-1$
             }