diff --git a/.github/steps/4-personalize-codespace.md b/.github/steps/4-personalize-codespace.md
index ed9a6e5..e6916a5 100644
--- a/.github/steps/4-personalize-codespace.md
+++ b/.github/steps/4-personalize-codespace.md
@@ -45,7 +45,7 @@ Let's see how this works!
 
    sudo apt-get update
    sudo apt-get install sl
-   export PATH=$PATH:/usr/games
+   echo "export PATH=\$PATH:/usr/games" >> ~/.bashrc
    ```
 
 1. Save the file.