diff --git a/lib/ldap.c b/lib/ldap.c
index 7f0e0251ff..dde15873a2 100644
--- a/lib/ldap.c
+++ b/lib/ldap.c
@@ -89,7 +89,13 @@ static void DynaOpen(void)
      * liblber.so automatically, but since it does not we will
      * handle it here by opening liblber.so as global.
      */
-    dlopen("liblber.so", RTLD_LAZY | RTLD_GLOBAL);
+    dlopen("liblber.so",
+#ifdef RTLD_LAZY_GLOBAL /* It turns out some systems use this: */
+           RTLD_LAZY_GLOBAL
+#else
+           RTLD_LAZY | RTLD_GLOBAL
+#endif
+           );
     libldap = dlopen("libldap.so", RTLD_LAZY);
   }
 #endif