diff --git a/minuitwrp/minui.h b/minuitwrp/minui.h
index bbdfdfb..cf90532 100644
--- a/minuitwrp/minui.h
+++ b/minuitwrp/minui.h
@@ -39,6 +39,7 @@
 static inline int gr_text(int x, int y, const char *s)     { return gr_textEx(x, y, s, NULL); }
 int gr_measureEx(const char *s, void* font);
 static inline int gr_measure(const char *s)                { return gr_measureEx(s, NULL); }
+int gr_maxExW(const char *s, void* font, int max_width);
 
 int gr_getFontDetails(void* font, unsigned* cheight, unsigned* maxwidth);
 static inline void gr_font_size(int *x, int *y)            { gr_getFontDetails(NULL, (unsigned*) y, (unsigned*) x); }