diff --git a/brute_crc32.lua b/brute_crc32.lua
index 39f5fbd..d8d8c87 100644
--- a/brute_crc32.lua
+++ b/brute_crc32.lua
@@ -17,7 +17,7 @@ function edit_file(input_file, line, content)
   io.close(file)
 end
 
-local attempts = 0
+local attempts = arg[1]
 
 repeat
   local random_crc32  = crc32.hash(attempts)
diff --git a/brute_md5.lua b/brute_md5.lua
index e51ed11..ec6d2ab 100644
--- a/brute_md5.lua
+++ b/brute_md5.lua
@@ -19,7 +19,7 @@ function edit_file(input_file, line, content)
   io.close(file)
 end
 
-local attempts = 0
+local attempts = arg[1]
 
 repeat
   local random_md5  = md5.sumhexa(attempts)