diff --git a/cmake/FindPG.cmake b/cmake/FindPG.cmake
index 5cdc7a6..897ba1f 100644
--- a/cmake/FindPG.cmake
+++ b/cmake/FindPG.cmake
@@ -91,6 +91,10 @@ IF(NOT _retval)
                 LIST(APPEND PG_LIBRARIES "krb5")
             ENDIF(_op MATCHES "krb5_free_principal")
 
+            IF(_op MATCHES "ldap_init")
+                LIST(APPEND PG_LIBRARIES "ldap")
+            ENDIF(_op MATCHES "ldap_init")
+
             LIST(APPEND PG_LIBRARIES "crypto")
 
             IF(NOT APPLE)