diff --git a/Tools/sitl_run.sh b/Tools/sitl_run.sh
index 64ff660c714740f88fb7c06b5585c27e21dce672..28e0f3b8d2a02bad51baf3dab9b5ead8d563bccc 100755
--- a/Tools/sitl_run.sh
+++ b/Tools/sitl_run.sh
@@ -80,6 +80,7 @@ then
 		cd Tools/sitl_gazebo/Build
 		cmake -Wno-dev ..
 		make -j4
+		make sdf
 		gzserver --verbose ../worlds/${model}.world &
 		SIM_PID=`echo $!`
 		gzclient --verbose &