diff --git a/vars/sonar.groovy b/vars/sonar.groovy
index b133819..7abb4fe 100644
--- a/vars/sonar.groovy
+++ b/vars/sonar.groovy
@@ -6,7 +6,7 @@ def runSonar(String sonarProjectKey, String githubRepository, String sonarLoginT
 			def jacocoParameters = "-Dsonar.java.coveragePlugin=jacoco -Dsonar.core.codeCoveragePlugin=jacoco "
 			def sonarCommon = "sonar:sonar -Dsonar.projectKey=${sonarProjectKey} -Dsonar.organization=eclipse -Dsonar.host.url=https://sonarcloud.io -Dsonar.login=${SONARCLOUD_TOKEN} -Dsonar.skipDesign=true -Dsonar.dynamic=reuseReports -Dsonar.java.source=${javaVersion} -Dsonar.scanner.force-deprecated-java-version=true "
 			def sonarBranchAnalysis = "-Dsonar.branch.name=${BRANCH_NAME}"
-			def sonarPullRequestAnalysis = "-Dsonar.pullrequest.provider=GitHub -Dsonar.pullrequest.github.repository=${githubRepository} -Dsonar.pullrequest.key=${CHANGE_ID} -Dsonar.pullrequest.branch=${CHANGE_BRANCH}"
+			def sonarPullRequestAnalysis = (github.isPullRequest() ? "-Dsonar.pullrequest.provider=GitHub -Dsonar.pullrequest.github.repository=${githubRepository} -Dsonar.pullrequest.key=${CHANGE_ID} -Dsonar.pullrequest.branch=${CHANGE_BRANCH}" : "")
 			def sonar = sonarCommon + jacocoParameters + (github.isPullRequest() ? sonarPullRequestAnalysis : sonarBranchAnalysis)
 	      	sh "mvn ${sonar}"
 		}