diff --git a/CHANGELOG.md b/CHANGELOG.md
index d5284f8ed2..d47bd70e4e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,3 +43,5 @@ significant modifications will be credited to OpenTelemetry Authors.
 ([#225](https://github.com/open-telemetry/opentelemetry-demo/pull/225))
 * Add metrics endpoint in adservice to send metrics from java agent
 ([#237](https://github.com/open-telemetry/opentelemetry-demo/pull/237))
+* Support override java agent jar
+([#244](https://github.com/open-telemetry/opentelemetry-demo/pull/244))
diff --git a/src/adservice/Dockerfile b/src/adservice/Dockerfile
index 2cb6a4d917..29a110d4ac 100644
--- a/src/adservice/Dockerfile
+++ b/src/adservice/Dockerfile
@@ -30,6 +30,7 @@ WORKDIR /usr/src/app/
 
 COPY --from=builder /usr/src/app/ ./
 COPY ./src/adservice/agent/opentelemetry-javaagent.jar /app/
+ENV JAVA_TOOL_OPTIONS=-javaagent:/app/opentelemetry-javaagent.jar
 
 EXPOSE ${AD_SERVICE_PORT}
 ENTRYPOINT [ "./build/install/hipstershop/bin/AdService" ]
diff --git a/src/adservice/build.gradle b/src/adservice/build.gradle
index 916a4941df..4ea9a10464 100644
--- a/src/adservice/build.gradle
+++ b/src/adservice/build.gradle
@@ -99,8 +99,6 @@ task adService(type: CreateStartScripts) {
     applicationName = 'AdService'
     outputDir = new File(project.buildDir, 'tmp')
     classpath = startScripts.classpath
-    defaultJvmOpts =
-        ["-javaagent:/app/opentelemetry-javaagent.jar"]
 }
 
 task adServiceClient(type: CreateStartScripts) {
@@ -108,8 +106,6 @@ task adServiceClient(type: CreateStartScripts) {
     applicationName = 'AdServiceClient'
     outputDir = new File(project.buildDir, 'tmp')
     classpath = startScripts.classpath
-    defaultJvmOpts =
-        ["-javaagent:/app/opentelemetry-javaagent.jar"]
 }
 
 applicationDistribution.into('bin') {