diff --git a/simulat0r/Makefile b/simulat0r/Makefile
index 7328ea2..5a1cf42 100644
--- a/simulat0r/Makefile
+++ b/simulat0r/Makefile
@@ -5,7 +5,7 @@ all : tui gui
 tui-core :
 	$(MAKE) -C ../firmware/l0dable usetable.h
 	cd ..; $(SHELL) simulat0r/bin/update-bridge-files.sh
-$(MAKE) -C firmware
+	$(MAKE) -C firmware
 	$(MAKE) -C simcore
 	$(MAKE) -C tui