diff --git a/.travis.yml b/.travis.yml
index bed7165b..28f5db7d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -45,11 +45,11 @@ jobs:
 
 stages:
   - name: test
-    if: branch!=master AND branch!=develop AND branch!=^untagged.*
+    if: NOT (branch IN (develop,master))
   - name: merge (develop --> master)
-    if: branch=develop AND type!=pull_request
+    if: branch==develop AND NOT(type==pull_request)
   - name: deploy
-    if: branch=master
+    if: branch==master
 
 notifications:
   email: false
diff --git a/bin/deploy/merge_develop_to_master.sh b/bin/deploy/merge_develop_to_master.sh
index fe635cac..fcd5a3fe 100644
--- a/bin/deploy/merge_develop_to_master.sh
+++ b/bin/deploy/merge_develop_to_master.sh
@@ -7,7 +7,7 @@ if [ "$TRAVIS_BRANCH" == "develop" ]; then
     git fetch
     git reset --hard
     git checkout master || echo "Git checkout master failed"
-    git merge --ff-only "$TRAVIS_COMMIT" || echo "Merge develop to master failed"
+    git merge "$TRAVIS_COMMIT" || echo "Merge develop to master failed"
     git push -q https://$GITHUB_TOKEN@github.com/ggeop/Python-ai-assistant master
 fi