diff --git a/CHANGELOG.md b/CHANGELOG.md
index 56f0ce5f..cfa59a02 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 # Changelog
 
 ### VNEXT
-
+* Fix graphiql's client to use parameter endpointURL instead of hardcoded.
 
 
 ### v0.7.0
diff --git a/packages/graphql-server-module-graphiql/src/renderGraphiQL.ts b/packages/graphql-server-module-graphiql/src/renderGraphiQL.ts
index 06ed2f64..e804823a 100644
--- a/packages/graphql-server-module-graphiql/src/renderGraphiQL.ts
+++ b/packages/graphql-server-module-graphiql/src/renderGraphiQL.ts
@@ -121,7 +121,7 @@ export function renderGraphiQL(data: GraphiQLData): string {
 
     // Defines a GraphQL fetcher using the fetch API.
     function graphQLFetcher(graphQLParams) {
-        return fetch('/graphql', {
+        return fetch(fetchURL, {
           method: 'post',
           headers: {
             'Accept': 'application/json',