diff --git a/norcow_config.h b/norcow_config.h
index ba57dfb4b2..1ea894c2b5 100644
--- a/norcow_config.h
+++ b/norcow_config.h
@@ -29,7 +29,7 @@
 /*
  * The length of the sector header in bytes. The header is preserved between sector erasures.
  */
-#define NORCOW_HEADER_LEN (0x100)
+#define NORCOW_HEADER_LEN (0)
 
 /*
  * Current storage version.