diff --git a/Make-common.gmake b/Make-common.gmake
index 93ab67ce72..fcbbd5fa1c 100644
--- a/Make-common.gmake
+++ b/Make-common.gmake
@@ -329,7 +329,7 @@ LDAP_REFERRALS=-DLDAP_REFERRALS
 # uncomment these lines to enable support for CRYPT, SHA1, and/or MD5 passwords
 # in LDBM.  Crypt uses platform provided crypt(3).
 # LDAP_CRYPT=-DLDAP_CRYPT -DLDAP_SHA1 -DLDAP_MD5
-# LDAP_CRYPT_LIB?=
+# LDAP_CRYPT_LIB=
 # and comment this line out
 LDAP_CRYPT_LIB=