diff --git a/appveyor.yml b/appveyor.yml
index 4c3928e..d1a9108 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -25,4 +25,4 @@ build:
   verbosity: minimal
 
 test_script:
-- cd Build\VS && ctest --verbose --build-config %CONFIGURATION%
+- cd Build\VS && if %CONFIGURATION%==Debug (ctest --verbose -E perftest --build-config %CONFIGURATION%) else (ctest --verbose --build-config %CONFIGURATION%)