diff --git a/Testing/JUnitExport.icl b/Testing/JUnitExport.icl
index 6a9f7cba7978b06264cd63907eabb94934794c92..0219ec357bb7b7e2f43bbda909e60d774cebefcf 100644
--- a/Testing/JUnitExport.icl
+++ b/Testing/JUnitExport.icl
@@ -66,6 +66,8 @@ where
 					Crashed              -> "crashed"
 		Crashed
 			-> "Crashed"
+		CustomFailReason reason
+			-> reason
 
 instance toString FailedAssertion
 where