diff --git a/appveyor.yml b/appveyor.yml
index f084c4475..b0a86032a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,6 +9,9 @@ branches:
   # blacklist
   except:
     - travis_mac_osx
+# Do not build on tags (GitHub only)
+skip_tags: true
+
 #---------------------------------#
 #    environment configuration    #
 #---------------------------------#
diff --git a/tools/build-macos-script.sh b/tools/build-macos-script.sh
index 48e49fc75..ca3eec0d1 100755
--- a/tools/build-macos-script.sh
+++ b/tools/build-macos-script.sh
@@ -14,10 +14,15 @@ git config --global user.email $GH_EMAIL
 git remote set-url origin "https://${GH_TOKEN}@github.com/WagicProject/wagic.git"
 
 ## Delete remote Travis-Mac branch (if any)
-export REMOTE=$(git branch -r | grep "origin/$TRAVIS_MAC_BRANCH\$")
-if test -n "$REMOTE" ; then
+export REMOTE=$(git branch -r | grep "origin/$TRAVIS_MAC_BRANCH")
+if [ "$REMOTE" = "origin/$TRAVIS_MAC_BRANCH" ]; then
+    echo "Removing old $TRAVIS_MAC_BRANCH branch"
+    # Delete remote branch
+    git branch -r -D "origin/$TRAVIS_MAC_BRANCH"
     # Push (delete) remote branch on temote server (e.g. github)
     git push origin --delete "$TRAVIS_MAC_BRANCH"
+else
+    echo "No $TRAVIS_MAC_BRANCH to remove"
 fi
 
 ## Create a new branch
@@ -26,7 +31,6 @@ git checkout -q -b "$TRAVIS_MAC_BRANCH" "$TRAVIS_BRANCH"
 ## Write a new Travis-CI configuration file
 cp tools/macos.travis.yml .travis.yml
 git add .travis.yml
-git rm appveyor.yml
 git commit -m "Auto-Updated Travis-CI configuration for Mac"
 ## Push new branch to remote server
 git push -q origin $TRAVIS_MAC_BRANCH:$TRAVIS_MAC_BRANCH  2> /dev/null > /dev/null