diff --git a/src/Makefile b/src/Makefile
index fad279c..96b08ef 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -81,7 +81,15 @@ endif
 export AS = vasmm68k_mot
 export ASFLAGS = $(VASM_CPU) -quiet -Fvobj -nowarn=62 -DMODEL=$(MODEL_NUMBER)
 export CC = vc
-export DEFINES = -DCPU=$(CPU_NUMBER) -DMODEL=$(MODEL_NUMBER) # -DKBD_POLLED
+DEFINES = -DCPU=$(CPU_NUMBER) -DMODEL=$(MODEL_NUMBER)  # -DKBD_POLLED
+
+# Logging level
+ifeq ("$(DEFAULT_LOG_LEVEL)","")
+else
+ DEFINES := $(DEFINES) -DDEFAULT_LOG_LEVEL=$(DEFAULT_LOG_LEVEL)
+endif
+
+export DEFINES:=$(DEFINES)
 
 # When compiling an image for flash, size to which the image must be padded
 PAD_FLASH_SIZE=524288
diff --git a/src/log.c b/src/log.c
index 8c2548f..26b4a08 100644
--- a/src/log.c
+++ b/src/log.c
@@ -33,7 +33,7 @@ static void (*do_log)(const char* message);
 static void log_to_uart(const char* message);
 static void log_to_screen(const char* message);
 
-#define UART_COM1 1
+#define UART_COM1 0
 
 /* Can use the buzzer as sound clues */
 void buzzer_on(void) {
diff --git a/src/log.h b/src/log.h
index 9f25ad8..b4cfc21 100644
--- a/src/log.h
+++ b/src/log.h
@@ -16,7 +16,7 @@
  * Settings
  */
 #ifndef DEFAULT_LOG_LEVEL
-  #define DEFAULT_LOG_LEVEL LOG_TRACE
+  #define DEFAULT_LOG_LEVEL LOG_ERROR
 #endif
 
 #ifndef LOG_CHANNEL