diff --git a/Marlin/src/lcd/fontutils.cpp b/Marlin/src/lcd/fontutils.cpp
index a97e63ac4d..c8560f541c 100644
--- a/Marlin/src/lcd/fontutils.cpp
+++ b/Marlin/src/lcd/fontutils.cpp
@@ -99,7 +99,7 @@ static inline bool utf8_is_start_byte_of_char(const uint8_t b) {
 
 /* This function gets the character at the pstart position, interpreting UTF8 multibyte sequences
    and returns the pointer to the next character */
-const uint8_t* get_utf8_value_cb(const uint8_t *pstart, read_byte_cb_t cb_read_byte, wchar_t *pval) {
+const uint8_t* get_utf8_value_cb(const uint8_t *pstart, read_byte_cb_t cb_read_byte, lchar_t *pval) {
   uint32_t val = 0;
   const uint8_t *p = pstart;