diff --git a/claude_desktop/rootfs/defaults/autostart b/claude_desktop/rootfs/defaults/autostart
index 99e73bf659..b3d68ce167 100644
--- a/claude_desktop/rootfs/defaults/autostart
+++ b/claude_desktop/rootfs/defaults/autostart
@@ -20,6 +20,9 @@ if [ -s "$CLAUDE_DESKTOP_COMMAND_FILE" ]; then
 else
     CLAUDE_DESKTOP_COMMAND="$DEFAULT_CLAUDE_DESKTOP_COMMAND"
 fi
+if bashio::config.true 'install_headroom'; then
+    export ANTHROPIC_BASE_URL="http://127.0.0.1:8787"
+fi
 
 # Launch the configured command. If a custom/wrapped command fails to start, fall back to
 # the plain Claude Desktop launch so the desktop app still comes up for the user.