diff --git a/src/initscripts/system/unbound b/src/initscripts/system/unbound
index 00dc301e1..1d7522a56 100644
--- a/src/initscripts/system/unbound
+++ b/src/initscripts/system/unbound
@@ -278,6 +278,10 @@ write_tuning_conf() {
 		# Increase parallel queries
 		echo "outgoing-range: 8192"
 		echo "num-queries-per-thread: 4096"
+
+		# Use larger send/receive buffers
+		echo "so-sndbuf: 4m"
+		echo "so-rcvbuf: 4m"
 	) > /etc/unbound/tuning.conf
 }