--- setup.cfg.orig	2017-03-01 07:06:27.000000000 -0500
+++ setup.cfg	2017-03-06 18:21:01.000000000 -0500
@@ -1,6 +1,6 @@
 [build_ext]
 define = 
-pg_config = 
+pg_config = @PG_CONFIG@
 use_pydatetime = 1
 mx_include_dir = 
 have_ssl = 0