diff --git a/.appveyor.yml b/.appveyor.yml
index c8d6a81a..f826f02a 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -17,4 +17,4 @@ install:
 build_script:
   - cabal sandbox init
   - cabal install Cabal
-  - make test DIFF=""
+  - make