diff --git a/urdf/upkie_camera.urdf b/urdf/upkie_camera.urdf
index a45c552..ffc808e 100644
--- a/urdf/upkie_camera.urdf
+++ b/urdf/upkie_camera.urdf
@@ -169,9 +169,15 @@ Conventions in this file are detailed in:
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diff --git a/xacro/torso.xacro b/xacro/torso.xacro
index b49a6f9..2676d3b 100644
--- a/xacro/torso.xacro
+++ b/xacro/torso.xacro
@@ -127,12 +127,18 @@
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