diff --git a/namegen.h b/namegen.h
--- a/namegen.h
+++ b/namegen.h
@@ -1,7 +1,7 @@
 #ifndef NAMEGEN_H
 #define NAMEGEN_H
 
-typedef byte TownNameGenerator(byte *buf, uint32 seed);
+typedef byte TownNameGenerator(char *buf, uint32 seed);
 
 extern TownNameGenerator * const _town_name_generators[];