diff --git a/launch/hokuyo_laser2d_sim.launch b/launch/hokuyo_laser2d_sim.launch
index 7b759817bc668effacde95563158ce98c41c3b69..7821b79d966156d5aea14836b6496328b2d66795 100644
--- a/launch/hokuyo_laser2d_sim.launch
+++ b/launch/hokuyo_laser2d_sim.launch
@@ -34,5 +34,4 @@
         args="-d $(find iri_laser2d_gazebo)/rviz/laser.rviz">
   </node>
 
-</launch>
-
+</launch>
\ No newline at end of file
diff --git a/package.xml b/package.xml
index a4f5c2270a42d9300d234cc209027deecc203c0b..e66acfc2de5e6092f4ec7e20d5a4575f7cf77a46 100644
--- a/package.xml
+++ b/package.xml
@@ -49,7 +49,7 @@
   <!-- Use doc_depend for packages you need only for building documentation: -->
   <!--   <doc_depend>doxygen</doc_depend> -->
   <buildtool_depend>catkin</buildtool_depend>
-
+  <exec_depend>gazebo_ros</exec_depend>
 
   <!-- The export tag contains other, unspecified, tags -->
   <export>