diff --git a/circle.yml b/circle.yml
index 932c7c53..fc48bee9 100644
--- a/circle.yml
+++ b/circle.yml
@@ -23,12 +23,13 @@ machine:
     version: oraclejdk8
   environment:
     _JAVA_OPTIONS: "-Xms1024m -Xmx2048m"
+    _SERVICE_OCCURENCE: 5
 dependencies:
   override:
-    - ./mvnw -s .settings.xml -U --fail-never dependency:go-offline -Dservice.occurence=5 || true
+    - ./mvnw -s .settings.xml -U --fail-never dependency:go-offline -Dservice.occurence=${_SERVICE_OCCURENCE} || true
 test:
   override:
-    - ./mvnw -s .settings.xml clean install -Dservice.occurence=5 #org.jacoco:jacoco-maven-plugin:prepare-agent install -U -P sonar -nsu --batch-mode -Dmaven.test.redirectTestOutputToFile=true -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn
+    - ./mvnw -s .settings.xml clean install -Dservice.occurence=${_SERVICE_OCCURENCE} #org.jacoco:jacoco-maven-plugin:prepare-agent install -U -P sonar -nsu --batch-mode -Dmaven.test.redirectTestOutputToFile=true -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn
   post:
     - find . -type f -regex ".*/spring-cloud-*.*/target/*.*" | cpio -pdm $CIRCLE_ARTIFACTS
     - mkdir -p $CIRCLE_TEST_REPORTS/junit/