diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index dd394a8..0909fe7 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -744,8 +744,12 @@
 static flash_sect_t find_sector (flash_info_t * info, ulong addr)
 {
 	static flash_sect_t saved_sector = 0; /* previously found sector */
+	static flash_info_t *saved_info = 0; /* previously used flash bank */
 	flash_sect_t sector = saved_sector;
 
+	if ((info != saved_info) || (sector >= info->sector_count))
+		sector = 0;
+
 	while ((info->start[sector] < addr)
 			&& (sector < info->sector_count - 1))
 		sector++;
@@ -757,6 +761,7 @@
 		sector--;
 
 	saved_sector = sector;
+	saved_info = info;
 	return sector;
 }