diff --git a/src/mame/drivers/at.cpp b/src/mame/drivers/at.cpp
index 7604e24445a..4ac472fe0c1 100644
--- a/src/mame/drivers/at.cpp
+++ b/src/mame/drivers/at.cpp
@@ -1598,7 +1598,8 @@ ROM_END
 
 ROM_START( aprpand )
 	ROM_REGION(0x1000000,"maincpu", 0)
-	ROM_LOAD( "pf10226.std", 0xe0000, 0x20000, CRC(7396fb87) SHA1(a109cbad2179eec55f86c0297a59bb015461da21))
+	ROM_LOAD16_BYTE( "pf10226.std", 0xe0000, 0x10000, CRC(7396fb87) SHA1(a109cbad2179eec55f86c0297a59bb015461da21))
+	ROM_CONTINUE( 0xe0001, 0x10000 )
 ROM_END
 
 ROM_START( aprfte )