diff --git a/rsFont.cpp b/rsFont.cpp
index 33b0f51..96e350d 100644
--- a/rsFont.cpp
+++ b/rsFont.cpp
@@ -174,7 +174,7 @@
 
     while (glyphsLeft > 0) {
 
-        int32_t utfChar = utf32_at(text, len, index, &nextIndex);
+        int32_t utfChar = utf32_from_utf8_at(text, len, index, &nextIndex);
 
         // Reached the end of the string or encountered
         if (utfChar < 0) {