diff --git a/src/mame/drivers/rungun.cpp b/src/mame/drivers/rungun.cpp
index 4898e37f4a5..dafe353dbda 100644
--- a/src/mame/drivers/rungun.cpp
+++ b/src/mame/drivers/rungun.cpp
@@ -432,7 +432,8 @@ ROM_START( rungun )
 
 	/* '936 tiles */
 	ROM_REGION( 0x400000, "gfx1", 0)
-	ROM_LOAD( "247-a13", 0x000000, 0x200000, BAD_DUMP CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
+	//ROM_LOAD( "247-a13", 0x000000, 0x200000, BAD_DUMP CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
+	ROM_LOAD( "247a13", 0x000000, 0x200000, CRC(c5a8ef29) SHA1(23938b8093bc0b9eef91f6d38127ca7acbdc06a6) )
 
 	/* sprites */
 	ROM_REGION( 0x800000, "gfx2", 0)
@@ -473,7 +474,8 @@ ROM_START( runguna )
 
 	/* '936 tiles */
 	ROM_REGION( 0x400000, "gfx1", 0)
-	ROM_LOAD( "247-a13", 0x000000, 0x200000, BAD_DUMP CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
+	//ROM_LOAD( "247-a13", 0x000000, 0x200000, BAD_DUMP CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
+	ROM_LOAD( "247a13", 0x000000, 0x200000, CRC(c5a8ef29) SHA1(23938b8093bc0b9eef91f6d38127ca7acbdc06a6) )
 
 	/* sprites */
 	ROM_REGION( 0x800000, "gfx2", 0)
@@ -519,7 +521,8 @@ ROM_START( rungunb )
 
 	/* '936 tiles */
 	ROM_REGION( 0x400000, "gfx1", 0)
-	ROM_LOAD( "247-a13", 0x000000, 0x200000, BAD_DUMP CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
+	//ROM_LOAD( "247-a13", 0x000000, 0x200000, BAD_DUMP CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
+	ROM_LOAD( "247a13", 0x000000, 0x200000, CRC(c5a8ef29) SHA1(23938b8093bc0b9eef91f6d38127ca7acbdc06a6) )
 
 	/* sprites */
 	ROM_REGION( 0x800000, "gfx2", 0)
@@ -640,7 +643,8 @@ ROM_START( slmdunkj )
 
 	/* '936 tiles */
 	ROM_REGION( 0x400000, "gfx1", 0)
-	ROM_LOAD( "247-a13", 0x000000, 0x200000, BAD_DUMP CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
+	//ROM_LOAD( "247-a13", 0x000000, 0x200000, BAD_DUMP CRC(cc194089) SHA1(b5af94f5f583d282ac1499b371bbaac8b2fedc03) )
+	ROM_LOAD( "247a13", 0x000000, 0x200000, CRC(c5a8ef29) SHA1(23938b8093bc0b9eef91f6d38127ca7acbdc06a6) )
 
 	/* sprites */
 	ROM_REGION( 0x800000, "gfx2", 0)