diff --git a/pkgs/tools/backup/mydumper/default.nix b/pkgs/tools/backup/mydumper/default.nix
index 88a72762990..611e543ca6c 100644
--- a/pkgs/tools/backup/mydumper/default.nix
+++ b/pkgs/tools/backup/mydumper/default.nix
@@ -1,6 +1,8 @@
 { stdenv, fetchFromGitHub, cmake, pkgconfig
 , glib, zlib, pcre, libmysqlclient, libressl }:
 
+let inherit (stdenv.lib) getDev; in
+
 stdenv.mkDerivation rec {
   version = "0.9.5";
   pname = "mydumper";
@@ -16,6 +18,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ glib zlib pcre libmysqlclient libressl ];
 
+  cmakeFlags = [ "-DMYSQL_INCLUDE_DIR=${getDev libmysqlclient}/include/mysql" ];
+
   meta = with stdenv.lib; {
     description = ''High-perfomance MySQL backup tool'';
     homepage = "https://github.com/maxbube/mydumper";