diff --git a/.appveyor.yml b/.appveyor.yml
index b94ca959..b4c63a8f 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -54,6 +54,7 @@ build_script:
       -DUSE_PNG_SAVE=ON
       -G "Visual Studio 15 2017" .
   - cmake --build . --config Release
+  - ctest --output-on-failure
 
 artifacts:
   - path: '*.exe'