diff --git a/component/openldap/buildout.cfg b/component/openldap/buildout.cfg
index 1d3b25b1bd14c3c8160ed4f725f84ba1a6038f76..b7d2776e6b45bc573031a89d1bf381c18f97050c 100644
--- a/component/openldap/buildout.cfg
+++ b/component/openldap/buildout.cfg
@@ -28,6 +28,11 @@ environment =
   PATH=${groff:location}/bin:%(PATH)s
 
 [openldap:cygwin]
+share = /usr
+promises = 
+  /usr/lib/libldap.dll.a
+  /usr/bin/cygldap-2-3-0.dll
+  /usr/include/ldap.h
 url = ftp://lug.mtu.edu/cygwin/release/openldap/openldap-2.3.43-3-src.tar.bz2
 md5sum = 534265a210652f355da30aaf2a97b96f
 configure-command = cygport