diff --git a/lib/Net/LDAP/LDIF.pm b/lib/Net/LDAP/LDIF.pm
index 1b7d2a7..83b6b3b 100644
--- a/lib/Net/LDAP/LDIF.pm
+++ b/lib/Net/LDAP/LDIF.pm
@@ -401,7 +401,7 @@ sub _write_attr {
 
     $v = Encode::encode_utf8($v)
       if (CHECK_UTF8 and Encode::is_utf8($v));
-    if ($v =~ /(^[ :<]|[\x00-\x1f\x7f-\xff])/) {
+    if ($v =~ /(^[ :<]|[\x00-\x1f\x7f-\xff]| $)/) {
       require MIME::Base64;
       $ln .= ':: ' . MIME::Base64::encode($v, '');
     }