diff --git a/simulat0r/Makefile b/simulat0r/Makefile
index 5a1cf42..7710ce7 100644
--- a/simulat0r/Makefile
+++ b/simulat0r/Makefile
@@ -4,7 +4,7 @@ all : tui gui
 
 tui-core :
 	$(MAKE) -C ../firmware/l0dable usetable.h
-	cd ..; $(SHELL) simulat0r/bin/update-bridge-files.sh
+	cd ..; bash simulat0r/bin/update-bridge-files.sh
 	$(MAKE) -C firmware
 	$(MAKE) -C simcore
 	$(MAKE) -C tui