diff --git a/Minecraft.Client/Common/Network/NetworkSocketLayer.cpp b/Minecraft.Client/Common/Network/NetworkSocketLayer.cpp
index e15842ed..d30267b9 100644
--- a/Minecraft.Client/Common/Network/NetworkSocketLayer.cpp
+++ b/Minecraft.Client/Common/Network/NetworkSocketLayer.cpp
@@ -699,6 +699,8 @@ bool NetworkSocketLayer::SendOnSocket(SOCKET sock, const void *data, int dataSiz
 		totalSent += sent;
 	}
 
+	LeaveCriticalSection(&s_sendLock);
+
 	return true;
 }