diff --git a/boot/zephyr/serial_adapter.c b/boot/zephyr/serial_adapter.c
index fc39f71..14adb45 100644
--- a/boot/zephyr/serial_adapter.c
+++ b/boot/zephyr/serial_adapter.c
@@ -25,6 +25,8 @@
 #error Zephyr UART console must been disabled if serial_adapter module is used.
 #endif
 
+MCUBOOT_LOG_MODULE_REGISTER(serial_adapter);
+
 /** @brief Console input representation
  *
  * This struct is used to represent an input line from a serial interface.