diff --git a/base_classes/NXsample.nxdl.xml b/base_classes/NXsample.nxdl.xml
index c101fcb56f..b8a859fc32 100755
--- a/base_classes/NXsample.nxdl.xml
+++ b/base_classes/NXsample.nxdl.xml
@@ -378,6 +378,11 @@
 			Note, it is recommended to use NXtransformations instead.
 		</doc>
 	</field>
+        <group type="NXenvironment">
+         <doc>
+           This group collects NXsensor groups
+          </doc>
+        </group>
 	<group type="NXpositioner">
 	  <doc>Any positioner (motor, PZT, ...) used to locate the sample</doc>
 	</group>