diff --git a/arch/arm/mach-imx/imx-bbu-internal.c b/arch/arm/mach-imx/imx-bbu-internal.c
index c34f86f..a36a427 100644
--- a/arch/arm/mach-imx/imx-bbu-internal.c
+++ b/arch/arm/mach-imx/imx-bbu-internal.c
@@ -72,7 +72,7 @@
 		}
 
 		memcpy(buf + 0x1b8, mbr + 0x1b8, 0x48);
-		free(buf);
+		free(mbr);
 
 		ret = lseek(fd, 0, SEEK_SET);
 		if (ret)