diff --git a/.github/workflows/publish-appimage.yml b/.github/workflows/publish-appimage.yml
index e8a1fb0e..04cd7cfc 100644
--- a/.github/workflows/publish-appimage.yml
+++ b/.github/workflows/publish-appimage.yml
@@ -78,6 +78,8 @@ jobs:
         id: git-version
         run: echo "GIT_VERSION=$(git describe --tags)" >> $GITHUB_ENV
       - name: Import GPG Deploy Key
+        # only run on main branch
+        if: github.ref == 'refs/heads/main')
         run: |
           echo "${{ secrets.GPG_DEPLOY_KEY }}" > appimage/secret.gpg
           gpg --import appimage/secret.gpg
diff --git a/appimage/build.sh b/appimage/build.sh
index cc22d993..66479e29 100755
--- a/appimage/build.sh
+++ b/appimage/build.sh
@@ -74,7 +74,12 @@ wget https://github.com/AppImage/AppImageKit/releases/download/continuous/appima
 
 chmod +x appimagetool-x86_64.AppImage
 
-./appimagetool-x86_64.AppImage AppDir --sign --sign-key E3034071
+GPG_KEY=E3034072
+if gpg --list-keys ${GPG_KEY}; then
+  ./appimagetool-x86_64.AppImage AppDir --sign --sign-key ${GPG_KEY}
+else
+  ./appimagetool-x86_64.AppImage AppDir
+fi
 
 for f in conky*.AppImage
 do