diff --git a/mrpt_sensor_gnss_nmea/src/mrpt_sensor_gnss_nmea_node.cpp b/mrpt_sensor_gnss_nmea/src/mrpt_sensor_gnss_nmea_node.cpp
index b2949c1..3bd50ac 100644
--- a/mrpt_sensor_gnss_nmea/src/mrpt_sensor_gnss_nmea_node.cpp
+++ b/mrpt_sensor_gnss_nmea/src/mrpt_sensor_gnss_nmea_node.cpp
@@ -127,10 +127,7 @@ void process_gps(
 
     auto& pubs = NMEA_Pubs::Instance();
 
-    std::string publish_topic = "sensor";
-    node.declare_parameter("publish_topic", publish_topic);
-    node.get_parameter("publish_topic", publish_topic);
-    pubs.ensure_pubs_are_created(node, publish_topic);
+    pubs.ensure_pubs_are_created(node, publish_topic_);
 
     std_msgs::msg::Header msgHeader;
     msgHeader.frame_id = node.sensor_frame_id();