diff --git a/package/network/services/dropbear/files/dropbear.init b/package/network/services/dropbear/files/dropbear.init
index 3d8cb2ca5e..2225113498 100755
--- a/package/network/services/dropbear/files/dropbear.init
+++ b/package/network/services/dropbear/files/dropbear.init
@@ -42,6 +42,7 @@ validate_section_dropbear()
 		'SSHKeepAlive:uinteger:300' \
 		'IdleTimeout:uinteger:0' \
 		'MaxAuthTries:uinteger:3' \
+		'RecvWindowSize:uinteger:0' \
 		'mdns:bool:1'
 }
 
@@ -50,7 +51,7 @@ dropbear_instance()
 	local PasswordAuth enable Interface GatewayPorts \
 		RootPasswordAuth RootLogin rsakeyfile \
 		BannerFile Port SSHKeepAlive IdleTimeout \
-		MaxAuthTries mdns ipaddrs
+		MaxAuthTries RecvWindowSize mdns ipaddrs
 
 	validate_section_dropbear "${1}" || {
 		echo "validation failed"
@@ -80,6 +81,8 @@ dropbear_instance()
 	[ "${IdleTimeout}" -ne 0 ] && procd_append_param command -I "${IdleTimeout}"
 	[ "${SSHKeepAlive}" -ne 0 ] && procd_append_param command -K "${SSHKeepAlive}"
 	[ "${MaxAuthTries}" -ne 0 ] && procd_append_param command -T "${MaxAuthTries}"
+	[ "${RecvWindowSize}" -gt 0 -a "${RecvWindowSize}" -le 1048576 ] && \
+		procd_append_param command -W "${RecvWindowSize}"
 	[ "${mdns}" -ne 0 ] && procd_add_mdns "ssh" "tcp" "$Port" "daemon=dropbear"
 	procd_set_param respawn
 	procd_close_instance