Corrected constructor declaration
diff --git a/include/grgsm/demapping/universal_ctrl_chans_demapper.h b/include/grgsm/demapping/universal_ctrl_chans_demapper.h
index d8114f7..9d7240c 100644
--- a/include/grgsm/demapping/universal_ctrl_chans_demapper.h
+++ b/include/grgsm/demapping/universal_ctrl_chans_demapper.h
@@ -49,7 +49,7 @@
        * class. gsm::universal_ctrl_chans_demapper::make is the public interface for
        * creating new instances.
        */
-      static sptr make(unsigned int timeslot_nr, const std::vector<int> &starts_fn_mod51, const std::vector<int> &channel_types);
+      static sptr make(unsigned int timeslot_nr, const std::vector<int> &downlink_starts_fn_mod51, const std::vector<int> &downlink_channel_types, const std::vector<int> &uplink_starts_fn_mod51, const std::vector<int> &uplink_channel_types);
     };
 
   } // namespace gsm