diff --git a/appveyor.yml b/appveyor.yml
index 7458b89..d413a15 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -29,5 +29,6 @@ build_script:
   - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER; exec 0</dev/null; cygstart --hide ./udpxd -l [::1]:53 -d 8.8.8.8:53 -f"'
   - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER; exec 0</dev/null; dig www.google.de soa @127.0.0.1"'
   - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER; exec 0</dev/null; dig www.google.de soa @::1"'
+  - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER; exec 0</dev/null; pkill -f udpxd"'