diff --git a/Makefile b/Makefile
index 6fc025b..6b94687 100644
--- a/Makefile
+++ b/Makefile
@@ -74,7 +74,7 @@ docs:
 
 sim:
 	PYTHONDONTWRITEBYTECODE=1 PYTHONPATH=.:wasp/boards/simulator:wasp \
-	python3 -i wasp/main.py
+	python3 -i wasp/boards/simulator/main.py
 
 .PHONY: bootloader reloader docs micropython
 
diff --git a/wasp/boards/simulator/main.py b/wasp/boards/simulator/main.py
new file mode 100644
index 0000000..88fb87e
--- /dev/null
+++ b/wasp/boards/simulator/main.py
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: LGPL-3.0-or-later
+# Copyright (C) 2020 Daniel Thompson
+
+import wasp
+wasp.system.run()