diff --git a/network/qubes-fix-nm-conf.sh b/network/qubes-fix-nm-conf.sh
index c952fe3..42e5f4a 100755
--- a/network/qubes-fix-nm-conf.sh
+++ b/network/qubes-fix-nm-conf.sh
@@ -16,4 +16,7 @@ fi
 if ! grep -q "^unmanaged-devices.*$VIFMAC" $FILE ; then
 	sed -i 's/^unmanaged-devices.*$/&,'$VIFMAC/ $FILE
 fi
+if ! grep -q "^dns=" $FILE ; then
+	sed -i '/\[main\] a dns=default' $FILE
+fi
 exit 0