diff --git a/pkgs/servers/ldap/389/default.nix b/pkgs/servers/ldap/389/default.nix
index bfa372ed069..90510d50252 100644
--- a/pkgs/servers/ldap/389/default.nix
+++ b/pkgs/servers/ldap/389/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, fetchpatch, autoreconfHook, pkg-config, doxygen, perl, pam, nspr, nss, openldap
-, db, cyrus_sasl, svrcore, icu, net-snmp, kerberos, pcre, perlPackages, libevent, openssl, python
+, db, cyrus_sasl, svrcore, icu, net-snmp, kerberos, pcre, perlPackages, libevent, openssl, python3
 }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoreconfHook pkg-config doxygen ];
   buildInputs = [
     perl pam nspr nss openldap db cyrus_sasl svrcore icu
-    net-snmp kerberos pcre libevent openssl python
+    net-snmp kerberos pcre libevent openssl python3
   ] ++ (with perlPackages; [ MozillaLdap NetAddrIP DBFile ]);
 
   patches = [