diff --git a/README.md b/README.md
index 4b7f5f3c..ea6172be 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,7 @@ docker run -itd \
 > Build your own image
 
 ```shell
-docker build -t x-ui
+docker build -t x-ui .
 ```
 
 </details>