diff --git a/pkgs/tools/package-management/pacman/default.nix b/pkgs/tools/package-management/pacman/default.nix
index 3353704cb36e..cdd0c83574af 100644
--- a/pkgs/tools/package-management/pacman/default.nix
+++ b/pkgs/tools/package-management/pacman/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, pkgconfig, perl, libarchive, openssl, zlib, bzip2,
+{ stdenv, lib, fetchurl, pkgconfig, m4, perl, libarchive, openssl, zlib, bzip2,
 lzma, curl, runtimeShell }:
 
 stdenv.mkDerivation rec {
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   installFlags = [ "sysconfdir=${placeholder "out"}/etc" ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkgconfig m4 ];
   buildInputs = [ curl perl libarchive openssl zlib bzip2 lzma ];
 
   postFixup = ''