diff --git a/src/engine/shared/network.h b/src/engine/shared/network.h
index 7a3a7fee4..8dc323f26 100644
--- a/src/engine/shared/network.h
+++ b/src/engine/shared/network.h
@@ -57,7 +57,7 @@ enum
 
 	NET_MAX_PACKETSIZE = 1400,
 	NET_MAX_PAYLOAD = NET_MAX_PACKETSIZE - 6,
-	NET_MAX_CHUNKHEADERSIZE = 5,
+	NET_MAX_CHUNKHEADERSIZE = 3,
 	NET_PACKETHEADERSIZE = 3,
 	NET_MAX_CLIENTS = 64,
 	NET_MAX_CONSOLE_CLIENTS = 4,