diff --git a/pkgs/tools/networking/wireguard-tools/default.nix b/pkgs/tools/networking/wireguard-tools/default.nix
index b0bc3346526c..6d19aea8040d 100644
--- a/pkgs/tools/networking/wireguard-tools/default.nix
+++ b/pkgs/tools/networking/wireguard-tools/default.nix
@@ -7,6 +7,7 @@
 , makeWrapper
 , openresolv
 , procps
+, bash
 }:
 
 stdenv.mkDerivation rec {
@@ -24,6 +25,8 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ makeWrapper ];
 
+  buildInputs = [ bash ];
+
   makeFlags = [
     "DESTDIR=$(out)"
     "PREFIX=/"