diff --git a/lib/config/nv_start_options.js b/lib/config/nv_start_options.js
index 1d6368f7..d01415d2 100644
--- a/lib/config/nv_start_options.js
+++ b/lib/config/nv_start_options.js
@@ -51,10 +51,9 @@ var nvParams = {
     securityMode: {
         id: NVID16.TCLK_TABLE_START,        // 0x0101
         offset: 0x00,
-        len: 0x20,
+        len: 0x10,
         // ZigBee Alliance Pre-configured TC Link Key - 'ZigBeeAlliance09'
-        value: [ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x5a, 0x69, 0x67, 0x42, 0x65, 0x65, 0x41, 0x6c,
-                 0x6c, 0x69, 0x61, 0x6e, 0x63, 0x65, 0x30, 0x39, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ]
+        value: [ 0x5a, 0x69, 0x67, 0x42, 0x65, 0x65, 0x41, 0x6c, 0x6c, 0x69, 0x61, 0x6e, 0x63, 0x65, 0x30, 0x39 ]
     },
     znpCfgItem: {
         id: NVID16.ZNP_HAS_CONFIGURED,      // 0x0F00