diff --git a/lv_core/lv_vdb.c b/lv_core/lv_vdb.c
index 6dc2eb37c..3528f8a57 100644
--- a/lv_core/lv_vdb.c
+++ b/lv_core/lv_vdb.c
@@ -3,16 +3,15 @@
  *
  */
 
+/*********************
+ *      INCLUDES
+ *********************/
 #include "lv_vdb.h"
 #if LV_VDB_SIZE != 0
 
 #include "../lv_hal/lv_hal_disp.h"
 #include <stddef.h>
 
-/*********************
- *      INCLUDES
- *********************/
-
 /*********************
  *      DEFINES
  *********************/
@@ -34,7 +33,6 @@ typedef enum {
  *  STATIC VARIABLES
  **********************/
 
-
 #if LV_VDB_DOUBLE == 0
 /*Simple VDB*/
 static volatile lv_vdb_state_t vdb_state = LV_VDB_STATE_ACTIVE;
diff --git a/lv_core/lv_vdb.h b/lv_core/lv_vdb.h
index 37bee2edb..68ba61268 100644
--- a/lv_core/lv_vdb.h
+++ b/lv_core/lv_vdb.h
@@ -28,6 +28,10 @@ extern "C" {
  *      DEFINES
  *********************/
 
+#ifndef LV_VDB_PX_BPP
+#warning "LV_VDB_PX_BPP is not specified in lv_conf.h. Use the default value (LV_COLOR_SIZE)"
+#define LV_VDB_PX_BPP LV_COLOR_SIZE
+#endif
 /**********************
  *      TYPEDEFS
  **********************/
diff --git a/lv_misc/lv_log.c b/lv_misc/lv_log.c
index 014cc0470..3124dabd3 100644
--- a/lv_misc/lv_log.c
+++ b/lv_misc/lv_log.c
@@ -61,7 +61,7 @@ void lv_log_add(lv_log_level_t level, const char * file, uint32_t line, const ch
 	if(level >= LV_LOG_LEVEL) {
 
 #if LV_LOG_PRINTF
-		static const char * lvl_prefix[] = {"Debug", "Trace", "Info", "Warn", "Error"};
+		static const char * lvl_prefix[] = {"Trace", "Info", "Warn", "Error"};
 		printf("%s: %s \t(%s #%d)\n", lvl_prefix[level], dsc,  file, line);
 #else
 		if(print_cb) print_cb(level, file, line, dsc);