diff --git a/src/mess/drivers/pc.c b/src/mess/drivers/pc.c
index f0c5ee4b26f..503dc812e59 100644
--- a/src/mess/drivers/pc.c
+++ b/src/mess/drivers/pc.c
@@ -2450,7 +2450,7 @@ ROM_START( pc10iii )
 	ROM_SYSTEM_BIOS(6, "v441", "v4.41")
 	ROMX_LOAD("318085-08.u201", 0xf8000, 0x8000, CRC(7e228dc8) SHA1(958dfdd637bd31c01b949fac729d6973a7e630bc), ROM_BIOS(7))
 	ROM_REGION(0x8000, "gfx1", 0)
-	ROM_LOAD("318086-02.bin", 0x0000, 0x8000, CRC(b406651c) SHA1(856f58353391a74a06ebb8ec9f8333d7d69e5fd6))
+	ROM_LOAD("318086-02.u607", 0x0000, 0x8000, CRC(b406651c) SHA1(856f58353391a74a06ebb8ec9f8333d7d69e5fd6))
 ROM_END
 
 ROM_START( mbc16 )