diff --git a/lib/msf/core/exploit/capture.rb b/lib/msf/core/exploit/capture.rb
index 0066d7bb87..1f76773a49 100644
--- a/lib/msf/core/exploit/capture.rb
+++ b/lib/msf/core/exploit/capture.rb
@@ -37,7 +37,7 @@ module Msf
 
         register_advanced_options(
           [
-            OptInt.new('SECRET', [true, 'A 32-bit cookie for probe requests.', 'MSF!'.unpack('N')]),
+            OptInt.new('SECRET', [true, 'A 32-bit cookie for probe requests.', 'MSF!'.unpack('N').first]),
             OptAddress.new('GATEWAY_PROBE_HOST',
                            [
                              true,