diff --git a/rbs_mill_assist/urdf/rbs_arm_macro.xacro b/rbs_mill_assist/urdf/rbs_arm_macro.xacro
index 8ef4316..ab2bff6 100644
--- a/rbs_mill_assist/urdf/rbs_arm_macro.xacro
+++ b/rbs_mill_assist/urdf/rbs_arm_macro.xacro
@@ -278,8 +278,8 @@
       <axis
         xyz="0 0 1" />
       <limit
-        lower="-6.2832"
-        upper="6.2832"
+        lower="-3.14159"
+        upper="3.14159"
         effort="30"
         velocity="10" />
     </joint>
@@ -394,8 +394,8 @@
       <axis
         xyz="0 0 1" />
       <limit
-        lower="-6.2832"
-        upper="6.2832"
+        lower="-3.14159"
+        upper="3.14159"
         effort="30"
         velocity="10" />
     </joint>