diff --git a/guides/gs-contract-rest/test/run.sh b/guides/gs-contract-rest/test/run.sh
index 8af2df16f4..3bed497cc1 100755
--- a/guides/gs-contract-rest/test/run.sh
+++ b/guides/gs-contract-rest/test/run.sh
@@ -7,6 +7,7 @@ GUIDES_GRADLE_SYSTEM_PROPERTIES="${GUIDES_GRADLE_SYSTEM_PROPERTIES:--Dorg.gradle
 
 export MAVEN_OPTS="${GUIDES_MAVEN_SYSTEM_PROPERTIES}"
 export GRADLE_OPTS="${GUIDES_GRADLE_SYSTEM_PROPERTIES}"
+export JAVA_TOOL_OPTIONS="${MAVEN_OPTS}"
 
 cd $(dirname $0)