diff --git a/launch/realsense_d435_depth_sim.launch b/launch/realsense_d435_depth_sim.launch
index 349ac05fbc0d05ffd66fa13405c11d2744623d92..2db47c7bc65a766d7f96ef84ccad3d6b9e867428 100644
--- a/launch/realsense_d435_depth_sim.launch
+++ b/launch/realsense_d435_depth_sim.launch
@@ -24,7 +24,7 @@
          command="$(find xacro)/xacro --inorder '$(find iri_realsense_camera_description)/urdf/realsense_example.xacro' name:=$(arg node_name)" />
 
   <node pkg="robot_state_publisher" type="robot_state_publisher" name="realsense_tf_broadcaster">
-    <param name="tf_prefix" type="string" value="/$(arg node_name)"/>
+    <param name="tf_prefix" type="string" value="$(arg node_name)"/>
     <param name="publish_frequency" type="double" value="20.0"/>
   </node>