diff --git a/pkgs/development/libraries/openldap/default.nix b/pkgs/development/libraries/openldap/default.nix
index cdef4d9a49f4..05c03dcd8424 100644
--- a/pkgs/development/libraries/openldap/default.nix
+++ b/pkgs/development/libraries/openldap/default.nix
@@ -19,10 +19,13 @@ stdenv.mkDerivation rec {
     [ "--enable-overlays"
       "--disable-dependency-tracking"   # speeds up one-time build
       "--enable-modules"
+      "--sysconfdir=/etc"
     ] ++ stdenv.lib.optional (openssl == null) "--without-tls"
       ++ stdenv.lib.optional (cyrus_sasl == null) "--without-cyrus-sasl"
       ++ stdenv.lib.optional stdenv.isFreeBSD "--with-pic";
 
+  installFlags = [ "sysconfdir=$(out)/etc" ];
+
   # 1. Fixup broken libtool
   # 2. Libraries left in the build location confuse `patchelf --shrink-rpath`
   #    Delete these to let patchelf discover the right path instead.