diff --git a/appveyor.yml b/appveyor.yml
index 8cd0ee4..bf7efd0 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -28,6 +28,9 @@ build_script:
 test_script:
   - travis-tool.sh run_tests
 
+on_failure:
+  - travis-tool.sh dump_logs
+
 artifacts:
   - path: '$(TEST_DIR)\*.Rcheck\**\*.log'
     name: Logs