diff --git a/.travis.yml b/.travis.yml
index 8435b8d4..78f05b2c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,9 @@ language: java
 sudo: false
 install: ""
 script: ./travis.sh
+branches:
+    only:
+        - master
 jdk:
     - oraclejdk8
 cache:
diff --git a/travis.sh b/travis.sh
index 1b2f641d..777b1dd6 100755
--- a/travis.sh
+++ b/travis.sh
@@ -16,7 +16,7 @@ elif [ "$TRAVIS_PULL_REQUEST" != "false" ] && [ -n "${GITHUB_TOKEN:-}" ]; then
 		-Dsonar.github.pullRequest=$TRAVIS_PULL_REQUEST \
         -Dsonar.github.repository=$TRAVIS_REPO_SLUG \
         -Dsonar.github.oauth=$GITHUB_TOKEN \
-        -Dsonar.analysis.mode=issues
+        -Dsonar.analysis.mode=preview
 else
 	echo 'Running Gradle check without SonarQube analysis'
 	./gradlew clean check