diff --git a/defaultenv/bin/boot b/defaultenv/bin/boot
index 5312d1e..a9e589b 100644
--- a/defaultenv/bin/boot
+++ b/defaultenv/bin/boot
@@ -47,7 +47,7 @@
 fi
 
 if [ -n $nand_parts ]; then
-	mtdparts="${mtdparts}$nand_device:${nor_parts};"
+	mtdparts="${mtdparts}${nand_device}:${nand_parts};"
 fi
 
 if [ -n $mtdparts ]; then