diff --git a/src/mame/machine/bfm_comn.c b/src/mame/machine/bfm_comn.c
index 070d7411725..edc6ce0d84f 100644
--- a/src/mame/machine/bfm_comn.c
+++ b/src/mame/machine/bfm_comn.c
@@ -26,7 +26,6 @@ void bfm_decode_mainrom(running_machine &machine, const char *rom_region, UINT8*
 	{
 		dynamic_buffer tmp(0x10000);
 		int i;
-		long address;
 
 		memcpy(tmp, rom, 0x10000);
 
@@ -48,7 +47,7 @@ void bfm_decode_mainrom(running_machine &machine, const char *rom_region, UINT8*
 			codec_data[i] = newdata;
 		}
 
-		for ( address = 0; address < 0x10000; address++)
+		for ( int address = 0; address < 0x10000; address++)
 		{
 			int newaddress,pattern;
 			UINT16 *tab;