diff --git a/src/expansion.cpp b/src/expansion.cpp
index cead2d793..22fc8096b 100644
--- a/src/expansion.cpp
+++ b/src/expansion.cpp
@@ -6554,7 +6554,7 @@ static const struct cpuboardsubtype gvpboard_sub[] = {
 		_T("TekMagic"),
 		ROMTYPE_CB_TEKMAGIC, 0, 4,
 		tekmagic_add_scsi_unit, EXPANSIONTYPE_SCSI,
-		BOARD_MEMORY_25BITMEM,
+		BOARD_MEMORY_HIGHMEM,
 		128 * 1024 * 1024
 	},
 #endif