diff --git a/appveyor.yml b/appveyor.yml
index 6eae7cd8..29e44df9 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,14 +5,16 @@ environment:
     CONFIG: Debug
   - BUILD: msvc
     CONFIG: Release
-#  - BUILD: mingw
-#    CONFIG: Debug
-#  - BUILD: mingw
-#    CONFIG: Release
+  - BUILD: mingw
+    CONFIG: Debug
+  - BUILD: mingw
+    CONFIG: Release
 
 build_script:
   - python support/appveyor-build.py
 
 on_failure:
+  - appveyor PushArtifact CMakeFiles/CMakeOutput.log
+  - appveyor PushArtifact CMakeFiles/CMakeError.log
   - appveyor PushArtifact Testing/Temporary/LastTest.log
   - appveyor AddTest test