diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 6025ad5..9c13825 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -90,7 +90,7 @@
 	}
 	else {
 #if (CONFIG_COMMANDS & CFG_CMD_IDE) || (CONFIG_COMMANDS & CFG_CMD_SCSI) || \
-    (CONFIG_COMMANDS & CFG_CMD_USB)
+    (CONFIG_COMMANDS & CFG_CMD_USB) || defined(CONFIG_SYSTEMACE)
 		disk_partition_t info;
 		if(!get_partition_info(dev_desc, part_no, &info)) {
 			part_offset = info.start;