diff --git a/src/engine/client/client.cpp b/src/engine/client/client.cpp
index adac193df..56a7f5d90 100644
--- a/src/engine/client/client.cpp
+++ b/src/engine/client/client.cpp
@@ -147,6 +147,8 @@ int client_send_msg()
 {
 	const msg_info *info = msg_get_info();
 	NETPACKET packet;
+	mem_zero(&packet, sizeof(NETPACKET));
+	
 	packet.client_id = 0;
 	packet.data = info->data;
 	packet.data_size = info->size;
diff --git a/src/engine/server/server.cpp b/src/engine/server/server.cpp
index 87380cfa1..fd4f16faa 100644
--- a/src/engine/server/server.cpp
+++ b/src/engine/server/server.cpp
@@ -102,6 +102,8 @@ int server_send_msg(int client_id)
 {
 	const msg_info *info = msg_get_info();
 	NETPACKET packet;
+	mem_zero(&packet, sizeof(NETPACKET));
+	
 	packet.client_id = client_id;
 	packet.data = info->data;
 	packet.data_size = info->size;