diff --git a/srcpkgs/wireguard/patches/wg-quick-iproute2.patch b/srcpkgs/wireguard/patches/wg-quick-iproute2.patch
new file mode 100644
index 00000000000..d52804ee660
--- /dev/null
+++ b/srcpkgs/wireguard/patches/wg-quick-iproute2.patch
@@ -0,0 +1,28 @@
+From c09671aa1318f52e0c0b5d2310b72644e9b2ea96 Mon Sep 17 00:00:00 2001
+From: "Jason A. Donenfeld" <Jason@zx2c4.com>
+Date: Fri, 17 May 2019 12:32:46 +0200
+Subject: wg-quick: look up existing routes properly
+
+This was never really correct, and then 5.1 broke it entirely.
+
+Reported-by: piraty1@inbox.ru
+---
+ src/tools/wg-quick/linux.bash | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/tools/wg-quick/linux.bash b/src/tools/wg-quick/linux.bash
+index 5eaa5042..8f1812c1 100755
+--- src/tools/wg-quick/linux.bash
++++ src/tools/wg-quick/linux.bash
+@@ -164,7 +164,7 @@ add_route() {
+ 	elif [[ $1 == */0 ]]; then
+ 		add_default "$1"
+ 	else
+-		[[ $(ip route get "$1" 2>/dev/null) == *dev\ $INTERFACE\ * ]] || cmd ip route add "$1" dev "$INTERFACE"
++		[[ -n $(ip route show dev "$INTERFACE" match "$1" 2>/dev/null) ]] || cmd ip route add "$1" dev "$INTERFACE"
+ 	fi
+ }
+ 
+-- 
+cgit v1.2.1-20-gc37e
+
diff --git a/srcpkgs/wireguard/template b/srcpkgs/wireguard/template
index e90b64143e2..8e054f5c4ed 100644
--- a/srcpkgs/wireguard/template
+++ b/srcpkgs/wireguard/template
@@ -1,7 +1,7 @@
 # Template file for 'wireguard'
 pkgname=wireguard
 version=0.0.20190406
-revision=1
+revision=2
 wrksrc="WireGuard-${version}"
 build_wrksrc="src/tools"
 build_style=gnu-makefile