diff --git a/include/config.sample.h b/include/config.sample.h
index 0bf0f96..4ef2c94 100644
--- a/include/config.sample.h
+++ b/include/config.sample.h
@@ -72,21 +72,39 @@
 #define EFFECT_GOL_START_PERCENTAGE 90
 #define EFFECT_GOL_BLEND_SPEED 10
 #define EFFECT_GOL_RESTART_AFTER_STEPS 100
- 
+
 // Stop editing here
 
 #ifdef DEBUG
     #ifdef MQTT_ENABLE
         #include "my_mqtt.h"
-        #define LOG(x) mqtt_log(x); Serial.print(x);
-        #define LOGln(x) mqtt_log_ln(x); Serial.println(x);
+        #define LOG(msg, ...) do { \
+        	char buffer[128]; \
+        	snprintf_P(buffer, 128, PSTR(msg), ##__VA_ARGS__);\
+        	mqtt_log(buffer);\
+        	Serial.print(buffer);\
+        	} while (0);
+        #define LOGln(msg, ...) do {\
+        	char buffer[128]; \
+        	snprintf_P(buffer, 128, PSTR(msg), ##__VA_ARGS__);\
+        	mqtt_log_ln(buffer);\
+        	Serial.println(buffer);\
+        	} while (0);
     #else
-        #define LOG(x) Serial.print(x);
-        #define LOGln(x) Serial.println(x);
+        #define LOG(msg, ...) do { \
+        	char buffer[128]; \
+        	snprintf_P(buffer, 128, PSTR(msg), ##__VA_ARGS__);\
+        	Serial.print(buffer);\
+        	} while (0);
+        #define LOGln(msg, ...) do { \
+        	char buffer[128]; \
+        	snprintf_P(buffer, 128, PSTR(msg), ##__VA_ARGS__);\
+        	Serial.println(buffer);\
+        	} while (0);
     #endif
 #else
-    #define LOG(x) do {} while(0);
-    #define LOGln(x) do {} while(0);
+    #define LOG(msg, ...) do {} while(0);
+    #define LOGln(msg, ...) do {} while(0);
 #endif
 
 #if !defined( ESP8266 ) && !defined( ESP32 )