diff --git a/appveyor.yml b/appveyor.yml
index 6eae7cd8..0821b38c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,8 +5,8 @@ environment:
     CONFIG: Debug
   - BUILD: msvc
     CONFIG: Release
-#  - BUILD: mingw
-#    CONFIG: Debug
+  - BUILD: mingw
+    CONFIG: Debug
 #  - BUILD: mingw
 #    CONFIG: Release