diff --git a/include/x11font.h b/include/x11font.h
index 4b1b80b..1e989b4 100644
--- a/include/x11font.h
+++ b/include/x11font.h
@@ -201,7 +201,7 @@
 typedef struct
 {
   LPLOGFONTW		lpLogFontParam;
-  FONTENUMPROCW	lpEnumFunc;
+  FONTENUMPROCEXW	lpEnumFunc;
   LPARAM		lpData;
 
   LPNEWTEXTMETRICEXW  lpTextMetric;