diff --git a/conf/init.zuma.rc b/conf/init.zuma.rc
index 9d6c7ba4..91e89c61 100644
--- a/conf/init.zuma.rc
+++ b/conf/init.zuma.rc
@@ -129,7 +129,7 @@ on init
     symlink /data/app /factory
 
     # Apply network parameters for high data performance.
-    write /proc/sys/net/core/rmem_default 327680
+    write /proc/sys/net/core/rmem_default 1310720
     write /proc/sys/net/core/rmem_max 8388608
     write /proc/sys/net/core/wmem_default 327680
     write /proc/sys/net/core/wmem_max 8388608