diff --git a/Makefile b/Makefile
index 9aca1eb3..39ab802e 100644
--- a/Makefile
+++ b/Makefile
@@ -106,7 +106,7 @@ endif
 ifdef USE_LDAP
 ifeq ($(USE_LDAP),1)
 override CFLAGS += -DHAVE_LDAP
-LIBS += -lldap
+LIBS += -lldap -llber
 endif
 endif