diff --git a/server/cardnet.cpp b/server/cardnet.cpp
index 69975bd..45a02d6 100644
--- a/server/cardnet.cpp
+++ b/server/cardnet.cpp
@@ -2,11 +2,10 @@
 Compiler: MinGW g++ 6.3.0 (Windows)
           MinGW g++ 5.3.1 (Ubuntu 16.04)
 Flags: -std=c++11 -static-libgcc -static-libstdc++ -lws2_32
-Run ex: cardnet.exe -c1="G:\card0.txt" -c2="H:\card0.txt" -l1="G:\check.txt" -l2="H:\check.txt" -p="4500"
+Run ex: cardnet.exe -p1="G:\card0.txt" -p2="H:\card0.txt" -c1="G:\check.txt" -c2="H:\check.txt" -p="4500"
 
 TODO:
 Fix extra buffer character (maybe, it occurs in telnet)
-Change card0.txt file based on information given by client (p1/p2)
 */
 
 #include <iostream>
@@ -333,4 +332,17 @@ bool overwriteCard(std::string buffer, std::string location)
 
     // check if card exists
     debugOutput("Card data: " + card + "\n");
+
+    // try to write card file
+    std::ofstream cardFile(location);
+    if(cardFile.is_open())
+    {
+        cardFile << card;
+        cardFile.close();
+        debugOutput("Successfully written card number to: " + location + "\n");
+    }
+    else
+    {
+        debugOutput("Unable to write to card in: " + location + "\n");
+    }
 }
\ No newline at end of file
diff --git a/server/cardnet.exe b/server/cardnet.exe
index 2fcc6e0..8d0f2b3 100755
Binary files a/server/cardnet.exe and b/server/cardnet.exe differ