diff --git a/unitree_gazebo/launch/z1.launch b/unitree_gazebo/launch/z1.launch
index 3f4326f..7d938d2 100755
--- a/unitree_gazebo/launch/z1.launch
+++ b/unitree_gazebo/launch/z1.launch
@@ -14,7 +14,7 @@
     <arg name="UnitreeGripperYN" default="true"/>
     
     <include file="$(find gazebo_ros)/launch/empty_world.launch">
-        <arg name="world_name" value="$(find z1_gazebo)/worlds/$(arg wname).world"/>
+        <arg name="world_name" value="$(find unitree_gazebo)/worlds/$(arg wname).world"/>
         <arg name="debug" value="$(arg debug)"/>
         <arg name="gui" value="$(arg gui)"/>
         <arg name="paused" value="$(arg paused)"/>