diff --git a/utils/gl-puli-mcu/src/gl-puli-mcu.c b/utils/gl-puli-mcu/src/gl-puli-mcu.c
index fe55cc42d3..6cf4f2abde 100644
--- a/utils/gl-puli-mcu/src/gl-puli-mcu.c
+++ b/utils/gl-puli-mcu/src/gl-puli-mcu.c
@@ -79,7 +79,7 @@ consume(struct ustream *s, char **a)
 
 	battery.set = process(*a);
 	if (!battery.set)
-		ULOG_ERR("failed to parse message from serial: %s", a);
+		ULOG_ERR("failed to parse message from serial: %s", *a);
 
 	ustream_consume(s, eol - *a);
 	*a = eol;