diff --git a/src/main.cpp b/src/main.cpp
index fd5f2a1..a76aaa5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -55,7 +55,7 @@ DWORD WINAPI recvTh(LPVOID)
     }
 
     sockaddr_in sender{};
-	int senderSize = sizeof(sender);
+    int senderSize = sizeof(sender);
     serverInfo_t info{};
 
 //  undisclosed step
@@ -108,6 +108,7 @@ int main(int, char**)
     }
 
     WaitForSingleObject(thread, INFINITE);
+    closesocket(sock);
     WSACleanup();
 
     return 0;