diff --git a/appveyor.yml b/appveyor.yml
index 474630f666..12b0ea6e3b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -73,6 +73,7 @@ install:
     )
   - set PATH=C:\Qt\%QTVER%\%QTABI%\bin;%JOMDIR%;%PATH%
   - echo "PATH = %PATH%"
+  - echo "APPVEYOR_BUILD_WORKER_IMAGE = %APPVEYOR_BUILD_WORKER_IMAGE%"
   - echo "BUILD ID Qt%QTVER%_%QTABI%_%APPVEYOR_BUILD_VERSION%_%CONFIGURATION%"
   # Rename sh.exe as sh.exe in PATH interferes with MinGW
   - rename "C:\Program Files\Git\usr\bin\sh.exe" "sh2.exe"