diff --git a/README.md b/README.md
index 053b8b5..37db604 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ GHOSTTY_DEB_URL=$(
    curl -s https://api.github.com/repos/mkasberg/ghostty-ubuntu/releases/latest | \
    grep -oP "https://github.com/mkasberg/ghostty-ubuntu/releases/download/[^\s/]+/ghostty_[^\s/_]+_amd64_${VERSION_ID}.deb"
 )
-GHOSTTY_DEB_FILE=$(echo $GHOSTTY_DEB_URL | grep -oP "ghostty_[^\s/]+\.deb")
+GHOSTTY_DEB_FILE=$(basename "$GHOSTTY_DEB_URL")
 curl -LO "$GHOSTTY_DEB_URL"
 sudo dpkg -i "$GHOSTTY_DEB_FILE"
 rm "$GHOSTTY_DEB_FILE"