diff --git a/scm-webapp/src/main/java/sonia/scm/repository/DefaultBranchDeleteProtection.java b/scm-webapp/src/main/java/sonia/scm/repository/DefaultBranchDeleteProtection.java
index 854c66e536..4bc9548a03 100644
--- a/scm-webapp/src/main/java/sonia/scm/repository/DefaultBranchDeleteProtection.java
+++ b/scm-webapp/src/main/java/sonia/scm/repository/DefaultBranchDeleteProtection.java
@@ -70,7 +70,7 @@ public class DefaultBranchDeleteProtection {
     try {
       return service.getBranchesCommand().setDisableCache(true).getBranches();
     } catch (IOException e) {
-      LOG.warn("Could not read branches in repository {} to check for default branch", service.getRepository());
+      LOG.warn("Could not read branches in repository {} to check for default branch", service.getRepository(), e);
       return new Branches();
     }
   }