diff --git a/namegen.c b/namegen.c
--- a/namegen.c
+++ b/namegen.c
@@ -1,6 +1,7 @@
 #include "stdafx.h"
 #include "ttd.h"
 #include "debug.h"
+#include "namegen.h"
 #include "table/namegen.h"
 
 static inline uint32 SeedChance(int shift_by, int max, uint32 seed)
diff --git a/namegen.h b/namegen.h
new file mode 100644
--- /dev/null
+++ b/namegen.h
@@ -0,0 +1,8 @@
+#ifndef NAMEGEN_H
+#define NAMEGEN_H
+
+typedef byte TownNameGenerator(byte *buf, uint32 seed);
+
+extern TownNameGenerator * const _town_name_generators[];
+
+#endif
diff --git a/strings.c b/strings.c
--- a/strings.c
+++ b/strings.c
@@ -1,6 +1,7 @@
 #include "stdafx.h"
 #include "ttd.h"
 #include "table/strings.h"
+#include "namegen.h"
 #include "station.h"
 #include "town.h"
 #include "vehicle.h"
diff --git a/variables.h b/variables.h
--- a/variables.h
+++ b/variables.h
@@ -378,9 +378,6 @@ typedef struct {
 
 VARDEF CargoConst _cargoc;
 
-typedef byte TownNameGenerator(byte *buf, uint32 seed);
-extern TownNameGenerator * const _town_name_generators[];
-
 
 static inline void SetDParamX(uint32 *s, uint n, uint32 v)
 {