diff --git a/rbs_simulation/worlds/mir.sdf b/rbs_simulation/worlds/mir.sdf
index d658131..30eccd0 100644
--- a/rbs_simulation/worlds/mir.sdf
+++ b/rbs_simulation/worlds/mir.sdf
@@ -12,7 +12,8 @@
ogre2
-
+
+
0 0 -9.8
6e-06 2.3e-05 -4.2e-05
@@ -54,7 +55,7 @@
true
true
-
+
true
@@ -264,7 +265,7 @@
-0.9 0 0.6250 0 0 0
-->
-
+