diff --git a/launch/demo_gnss_imu.launch b/launch/demo_gnss_imu.launch
index b3167df59d66d4932eea84d49d81e60a2049fcab..ed4d15530088435fd22646ba35aa495e1910ae92 100644
--- a/launch/demo_gnss_imu.launch
+++ b/launch/demo_gnss_imu.launch
@@ -26,7 +26,7 @@
           output="screen"
           required="false"
           launch-prefix="$(arg launch_pref)">
-        <param name="~yaml_file_path" value="$(find wolf_demo_gnss)/yaml/params_imu_gnss_raw.yaml"/>
+        <param name="~yaml_file_path" value="$(find wolf_demo_gnss)/yaml/params_gnss_imu.yaml"/>
     </node>
    	
     <!--VISUALIZATION-->
@@ -37,10 +37,11 @@
              args="-d $(find wolf_demo_gnss)/rviz/gnss.rviz" />
     </group>
 
+	<arg name="bag" default="rpa_sensors_tucan_2021-05-28-11-00-22"/>
 	<!--<arg name="bag" default="mini8_2020-09-28-11-28-08"/>-->
 	<!--<arg name="bag" default="rpa_sensors_M600b_2021-09-16-12-25-14"/>-->
 	<!--<arg name="bag" default="rpa_sensors_M600b_2021-09-16-14-41-46"/>-->
-	<arg name="bag" default="rpa_sensors_M600b_2021-09-17-11-00-51"/>
+	<!--<arg name="bag" default="rpa_sensors_M600b_2021-09-17-11-00-51"/>-->
 	<!--<arg name="bag" default="rpa_sensors_M600b_2021-09-17-11-31-55"/>-->
 
     <!--ROSBAG PLAY-->