diff --git a/lib/net/ldap/connection.rb b/lib/net/ldap/connection.rb
index b01984f4..1e57cda4 100644
--- a/lib/net/ldap/connection.rb
+++ b/lib/net/ldap/connection.rb
@@ -300,7 +300,7 @@ def encode_sort_controls(sort_definitions)
       control[2] = (control[2] == true).to_ber
       control.to_ber_sequence
     end
-    sort_control = [
+    [
       Net::LDAP::LDAPControls::SORT_REQUEST.to_ber,
       false.to_ber,
       sort_control_values.to_ber_sequence.to_s.to_ber,