diff --git a/examples/graphql/docker/docker-compose.yaml b/examples/graphql/docker/docker-compose.yaml
index 8d29c57433..44e70ebecc 100644
--- a/examples/graphql/docker/docker-compose.yaml
+++ b/examples/graphql/docker/docker-compose.yaml
@@ -10,7 +10,7 @@ services:
     ports:
       - "9464:9464"
       - "4317:4317"
-      - "55681:55681"
+      - "4318:4318"
     depends_on:
       - zipkin-all-in-one
 
diff --git a/packages/opentelemetry-browser-extension-autoinjection/src/types.ts b/packages/opentelemetry-browser-extension-autoinjection/src/types.ts
index f4e37f0b3a..dcd8f1cb01 100644
--- a/packages/opentelemetry-browser-extension-autoinjection/src/types.ts
+++ b/packages/opentelemetry-browser-extension-autoinjection/src/types.ts
@@ -136,7 +136,7 @@ export enum DomAttributes {
 
 export enum PlaceholderValues {
   ZIPKIN_URL = 'http://localhost:9411/api/v2/spans',
-  COLLECTOR_TRACE_URL = 'http://localhost:55681/v1/trace',
+  COLLECTOR_TRACE_URL = 'http://localhost:4318/v1/trace',
 }
 
 export enum Labels {