diff --git a/setup.cfg b/setup.cfg
index c6546068..9de10d1b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -8,7 +8,7 @@
 # Define extra include and library dirs if needed. distutils adds non
 # standard library_dirs as rpath.
 # library_dirs = /usr/lib /usr/lib64 /usr/local/lib /usr/local/lib64
-# include_dirs = /usr/include /usr/local/include
+include_dirs = /usr/local/include
 
 # These defines needs OpenLDAP built with
 # ./configure --with-cyrus-sasl --with-tls