diff --git a/.gitmodules b/.gitmodules
index 6312824c72922d9c617a0bfe5a7e281965e5e29d..23cb002a3f0f59fe7451a3f0dd3f15b4348c77f8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "avr8_smbus_battery_monitor"]
 	path = avr8_smbus_battery_monitor
 	url = ssh://git@gitlab.iri.upc.edu:2202/labrobotica/firmware/avr8_smbus_battery_monitor.git
+	branch = master