diff --git a/lib_generic/crc32.c b/lib_generic/crc32.c
index 50ca4ffd..8283413 100644
--- a/lib_generic/crc32.c
+++ b/lib_generic/crc32.c
@@ -171,7 +171,9 @@
     return crc ^ 0xffffffffL;
 }
 
-#if (CONFIG_COMMANDS & CFG_CMD_JFFS2)
+#if (CONFIG_COMMANDS & CFG_CMD_JFFS2)					\
+	|| (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CFG_NAND_LEGACY)
+
 
 /* No ones complement version. JFFS2 (and other things ?)
  * don't use ones compliment in their CRC calculations.