diff --git a/src/modules/systemlib/module.mk b/src/modules/systemlib/module.mk
index 81e7d87536..f80d8009ae 100644
--- a/src/modules/systemlib/module.mk
+++ b/src/modules/systemlib/module.mk
@@ -55,7 +55,7 @@ SRCS		 = err.c \
 		   pwm_limit/pwm_limit.c \
 		   circuit_breaker.cpp \
 		   circuit_breaker_params.c \
-		   mcu_version.c
+		   mcu_version.c \
 		   circuit_breaker_params.c
 
 MAXOPTIMIZATION	 = -Os