diff --git a/django-vue-graphql/source_code_final/back_end/backend/settings.py b/django-vue-graphql/source_code_final/back_end/backend/settings.py
index 7554bb4613..a8a80ba98d 100644
--- a/django-vue-graphql/source_code_final/back_end/backend/settings.py
+++ b/django-vue-graphql/source_code_final/back_end/backend/settings.py
@@ -132,4 +132,6 @@
     "SCHEMA": "blog.schema.schema",
 }
 
-CORS_ALLOWED_ORIGINS = ("http://localhost:5173",)
+CORS_ALLOWED_ORIGINS = [
+    "http://localhost:5173",
+]
diff --git a/django-vue-graphql/source_code_final/front_end/src/main.js b/django-vue-graphql/source_code_final/front_end/src/main.js
index 86668b0ef6..4131a2b019 100644
--- a/django-vue-graphql/source_code_final/front_end/src/main.js
+++ b/django-vue-graphql/source_code_final/front_end/src/main.js
@@ -11,7 +11,7 @@ import {
 import { DefaultApolloClient } from "@vue/apollo-composable";
 
 const httpLink = createHttpLink({
-  uri: "http://localhost:8000/graphql",
+  uri: "http://localhost:8000/graphql/",
 });
 
 const cache = new InMemoryCache();
diff --git a/django-vue-graphql/source_code_step_4/back_end/backend/settings.py b/django-vue-graphql/source_code_step_4/back_end/backend/settings.py
index 7ab7e4d336..f43dda9d33 100644
--- a/django-vue-graphql/source_code_step_4/back_end/backend/settings.py
+++ b/django-vue-graphql/source_code_step_4/back_end/backend/settings.py
@@ -132,4 +132,6 @@
     "SCHEMA": "blog.schema.schema",
 }
 
-CORS_ALLOWED_ORIGINS = ("http://localhost:5173",)
+CORS_ALLOWED_ORIGINS = [
+    "http://localhost:5173",
+]
diff --git a/django-vue-graphql/source_code_step_5/back_end/backend/settings.py b/django-vue-graphql/source_code_step_5/back_end/backend/settings.py
index 7ab7e4d336..f43dda9d33 100644
--- a/django-vue-graphql/source_code_step_5/back_end/backend/settings.py
+++ b/django-vue-graphql/source_code_step_5/back_end/backend/settings.py
@@ -132,4 +132,6 @@
     "SCHEMA": "blog.schema.schema",
 }
 
-CORS_ALLOWED_ORIGINS = ("http://localhost:5173",)
+CORS_ALLOWED_ORIGINS = [
+    "http://localhost:5173",
+]
diff --git a/django-vue-graphql/source_code_step_6/back_end/backend/settings.py b/django-vue-graphql/source_code_step_6/back_end/backend/settings.py
index 7ab7e4d336..f43dda9d33 100644
--- a/django-vue-graphql/source_code_step_6/back_end/backend/settings.py
+++ b/django-vue-graphql/source_code_step_6/back_end/backend/settings.py
@@ -132,4 +132,6 @@
     "SCHEMA": "blog.schema.schema",
 }
 
-CORS_ALLOWED_ORIGINS = ("http://localhost:5173",)
+CORS_ALLOWED_ORIGINS = [
+    "http://localhost:5173",
+]
diff --git a/django-vue-graphql/source_code_step_7/back_end/backend/settings.py b/django-vue-graphql/source_code_step_7/back_end/backend/settings.py
index 7ab7e4d336..f43dda9d33 100644
--- a/django-vue-graphql/source_code_step_7/back_end/backend/settings.py
+++ b/django-vue-graphql/source_code_step_7/back_end/backend/settings.py
@@ -132,4 +132,6 @@
     "SCHEMA": "blog.schema.schema",
 }
 
-CORS_ALLOWED_ORIGINS = ("http://localhost:5173",)
+CORS_ALLOWED_ORIGINS = [
+    "http://localhost:5173",
+]
diff --git a/django-vue-graphql/source_code_step_8/back_end/backend/settings.py b/django-vue-graphql/source_code_step_8/back_end/backend/settings.py
index 7ab7e4d336..f43dda9d33 100644
--- a/django-vue-graphql/source_code_step_8/back_end/backend/settings.py
+++ b/django-vue-graphql/source_code_step_8/back_end/backend/settings.py
@@ -132,4 +132,6 @@
     "SCHEMA": "blog.schema.schema",
 }
 
-CORS_ALLOWED_ORIGINS = ("http://localhost:5173",)
+CORS_ALLOWED_ORIGINS = [
+    "http://localhost:5173",
+]
diff --git a/django-vue-graphql/source_code_step_8/front_end/src/main.js b/django-vue-graphql/source_code_step_8/front_end/src/main.js
index 86668b0ef6..4131a2b019 100644
--- a/django-vue-graphql/source_code_step_8/front_end/src/main.js
+++ b/django-vue-graphql/source_code_step_8/front_end/src/main.js
@@ -11,7 +11,7 @@ import {
 import { DefaultApolloClient } from "@vue/apollo-composable";
 
 const httpLink = createHttpLink({
-  uri: "http://localhost:8000/graphql",
+  uri: "http://localhost:8000/graphql/",
 });
 
 const cache = new InMemoryCache();