diff --git a/src/draw/sw/lv_draw_sw_letter.c b/src/draw/sw/lv_draw_sw_letter.c
index 1d740f348..90c92945c 100644
--- a/src/draw/sw/lv_draw_sw_letter.c
+++ b/src/draw/sw/lv_draw_sw_letter.c
@@ -105,7 +105,7 @@ void lv_draw_sw_letter(lv_draw_ctx_t * draw_ctx, const lv_draw_label_dsc_t * dsc
         if(letter >= 0x20 &&
            letter != 0xf8ff && /*LV_SYMBOL_DUMMY*/
            letter != 0x200c) { /*ZERO WIDTH NON-JOINER*/
-            LV_LOG_WARN("lv_draw_letter: glyph dsc. not found for U+%" PRIX32, letter);
+            LV_LOG_WARN("lv_draw_letter: glyph dsc. not found for U+%" LV_PRIX32, letter);
 
 #if LV_USE_FONT_PLACEHOLDER
             /* draw placeholder */
diff --git a/src/misc/lv_printf.h b/src/misc/lv_printf.h
index 76fe612f8..43da576e7 100644
--- a/src/misc/lv_printf.h
+++ b/src/misc/lv_printf.h
@@ -40,14 +40,20 @@
         /* platform-specific printf format for int32_t, usually "d" or "ld" */
         #define LV_PRId32 PRId32
         #define LV_PRIu32 PRIu32
+        #define LV_PRIx32 PRIx32
+        #define LV_PRIX32 PRIX32
     #else
         #define LV_PRId32 "d"
         #define LV_PRIu32 "u"
+        #define LV_PRIx32 "x"
+        #define LV_PRIX32 "X"
     #endif
 #else
     /* hope this is correct for ports without __has_include or without inttypes.h */
     #define LV_PRId32 "d"
     #define LV_PRIu32 "u"
+    #define LV_PRIx32 "x"
+    #define LV_PRIX32 "X"
 #endif
 
 #ifdef __cplusplus