diff --git a/.appveyor.yml b/.appveyor.yml
index 8de48ea8eac7fd4828ca152b493beb8d694cc2f0..7c820fc31ee467f59b9b3bae70e9c9973bbe7980 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -21,7 +21,7 @@ test_script:
   - if "%CONFIG%" EQU "debug" ( debug\qgroundcontrol --unittest )
 
 after_build:
-  - if "%CONFIG%" EQU "installer" ( appveyor PushArtifact C:\projects\qgroundcontrol\release\qgroundcontrol.exe )
+  - if "%CONFIG%" EQU "installer" ( if defined %APPVEYOR_PULL_REQUEST_NUMBER% ( appveyor PushArtifact C:\projects\qgroundcontrol\release\qgroundcontrol.exe ) )
 
 deploy:
   - provider: S3