diff --git a/src/config.c b/src/config.c
index d385c7ed2..5d3962c6f 100644
--- a/src/config.c
+++ b/src/config.c
@@ -863,7 +863,7 @@ load_hard_disks(void)
 		case HDD_BUS_MFM:
 			max_spt = 26;	/* 26 for RLL */
 			max_hpc = 15;
-			max_tracks = 1023;
+			max_tracks = 2047;
 			break;
 
 		case HDD_BUS_XTA:
diff --git a/src/win/win_settings.c b/src/win/win_settings.c
index a908ef64d..8eb444253 100644
--- a/src/win/win_settings.c
+++ b/src/win/win_settings.c
@@ -3349,7 +3349,7 @@ hdd_add_file_open_error:
 					case HDD_BUS_MFM:
 						max_spt = 26;	/* 17 for MFM, 26 for RLL. */
 						max_hpc = 15;
-						max_tracks = 1023;
+						max_tracks = 2047;
 						break;
 					case HDD_BUS_XTA:
 						max_spt = 63;