diff --git a/src/cpu/cpu.cpp b/src/cpu/cpu.cpp
index bc1c576e..37916028 100644
--- a/src/cpu/cpu.cpp
+++ b/src/cpu/cpu.cpp
@@ -32,7 +32,7 @@
 #include "support.h"
 
 Bitu DEBUG_EnableDebugger(void);
-extern void GFX_SetTitle(Bit32s cycles ,Bits frameskip,bool paused);
+extern void GFX_SetTitle(Bit32s cycles ,int frameskip,bool paused);
 
 #if 1
 #undef LOG
diff --git a/src/dos/dos_execute.cpp b/src/dos/dos_execute.cpp
index 543ce108..b2a99869 100644
--- a/src/dos/dos_execute.cpp
+++ b/src/dos/dos_execute.cpp
@@ -88,7 +88,7 @@ static void RestoreRegisters(void) {
 	reg_sp+=18;
 }
 
-extern void GFX_SetTitle(Bit32s cycles,Bits frameskip,bool paused);
+extern void GFX_SetTitle(Bit32s cycles,int frameskip,bool paused);
 void DOS_UpdatePSPName(void) {
 	DOS_MCB mcb(dos.psp()-1);
 	static char name[9];
diff --git a/src/gui/sdl_gui.cpp b/src/gui/sdl_gui.cpp
index 9640b065..f516e6de 100644
--- a/src/gui/sdl_gui.cpp
+++ b/src/gui/sdl_gui.cpp
@@ -39,7 +39,7 @@
 
 extern Bit8u int10_font_14[256 * 14];
 extern bool MSG_Write(const char *);
-extern void GFX_SetTitle(Bit32s cycles, Bits frameskip, bool paused);
+extern void GFX_SetTitle(Bit32s cycles, int frameskip, bool paused);
 
 static int cursor, saved_bpp;
 static int old_unicode;