diff --git a/arch/arm/mach-imx/cmd_nandbcb.c b/arch/arm/mach-imx/cmd_nandbcb.c
index ea4e147..028b7c4 100644
--- a/arch/arm/mach-imx/cmd_nandbcb.c
+++ b/arch/arm/mach-imx/cmd_nandbcb.c
@@ -275,7 +275,8 @@
 			       boot_stream1_address);
 
 	if (boot_cfg->secondary_boot_stream_off_in_MB)
-		boot_stream2_address = boot_cfg->secondary_boot_stream_off_in_MB * 1024 * 1024;
+		boot_stream2_address =
+			(loff_t)boot_cfg->secondary_boot_stream_off_in_MB * 1024 * 1024;
 
 	max_boot_stream_size = boot_stream2_address - boot_stream1_address;