diff --git a/appveyor.yml b/appveyor.yml
index 2b5e5b737..d864cf9d9 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -17,6 +17,10 @@ build_script:
   - cmd: cmake --build build64 --config Release --target everything
 
 test_script:
+  - cmd: cmake --build build32 --config Debug --target run_tests
+  - cmd: cmake --build build64 --config Debug --target run_tests
+  - cmd: cmake --build build32 --config Release --target run_tests
+  - cmd: cmake --build build64 --config Release --target run_tests
   - cmd: |
       cd build32
       Release\teeworlds_srv shutdown