diff --git a/mojo_run b/mojo_run
index 72fc047..fe85ea5 100755
--- a/mojo_run
+++ b/mojo_run
@@ -33,7 +33,7 @@
 _MOJO_DEBUGGER_PORT = 7777
 _LAUNCHER = 'mojo:launcher'
 
-_DEBUGGER_URL = 'https://core.mojoapps.io/debugger.mojo'
+_DEBUGGER_URL = 'mojo:debugger'
 
 
 def _configure_debugger(shell):