diff --git a/drivers/mtd/mtd_uboot.c b/drivers/mtd/mtd_uboot.c
index c4434d7..d551aee 100644
--- a/drivers/mtd/mtd_uboot.c
+++ b/drivers/mtd/mtd_uboot.c
@@ -215,7 +215,7 @@
 		return 0;
 
 	/* Start the parsing by ignoring the extra 'mtdparts=' prefix, if any */
-	if (strstr(mtdparts, "mtdparts="))
+	if (!strncmp(mtdparts, "mtdparts=", sizeof("mtdparts=") - 1))
 		mtdparts += 9;
 
 	/* For each MTD device in mtdparts */