diff --git a/Dockerfile b/Dockerfile
index 0e01900582a..ade39470dcf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN apk add --update-cache --no-cache "libxml2>=2.13.9-r0"
 
 COPY ./build /usr/share/nginx/html
 
-EXPOSE 8080
+EXPOSE 80
 
 # start nginx
 CMD ["nginx", "-g", "daemon off;"]
diff --git a/Dockerfile.unprivileged b/Dockerfile.unprivileged
index 12d9d12353c..e46b346b7f5 100644
--- a/Dockerfile.unprivileged
+++ b/Dockerfile.unprivileged
@@ -7,7 +7,7 @@ LABEL maintainer="vladimir.gorej@smartbear.com" \
 
 COPY ./build /usr/share/nginx/html
 
-EXPOSE 8080
+EXPOSE 80
 
 # start nginx
 CMD ["nginx", "-g", "daemon off;"]
diff --git a/README.md b/README.md
index 9c26ed7997e..a6fc122dad0 100644
--- a/README.md
+++ b/README.md
@@ -934,7 +934,7 @@ Now open your browser at `http://localhost:8080/`.
 ```sh
  $ npm run build:app
  $ docker build . -f Dockerfile.unprivileged -t swaggerapi/swagger-editor:latest-unprivileged
- $ docker run -d -p 8080:8080 swaggerapi/swagger-editor:latest-unprivileged
+ $ docker run -d -p 8080:80 swaggerapi/swagger-editor:latest-unprivileged
 ```
 
 Now open your browser at `http://localhost:8080/`.