diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c
index 6d4b7f7ca..095c387d0 100644
--- a/src/truetype/ttinterp.c
+++ b/src/truetype/ttinterp.c
@@ -1261,7 +1261,7 @@
   }
 
 
-  FT_CALLBACK_DEF(voidą  Write_CVT( EXEC_OP_ FT_ULong    index,
+  FT_CALLBACK_DEF(void)  Write_CVT( EXEC_OP_ FT_ULong    index,
                                              FT_F26Dot6  value )
   {
     CUR.cvt[index] = value;