diff --git a/Code/Mantid/instrument/HET_Definition.xml b/Code/Mantid/instrument/HET_Definition.xml
index 815f5361bafdc2691e86cf001218d2c137a3c699..3bc694a82b51b5b4636226f141778f6860864b40 100644
--- a/Code/Mantid/instrument/HET_Definition.xml
+++ b/Code/Mantid/instrument/HET_Definition.xml
@@ -8,7 +8,7 @@
   <defaults>
     <length unit="meter"/>
     <angle unit="degree"/>
-    <location x="0.0" y="0.0" z="0.0" type="quaternion" rot="0.0" 
+    <location x="0.0" y="0.0" z="0.0" rot="0.0" 
                       axis-x="0.0" axis-y="0.0" axis-z="1.0"/>
     <reference-frame>
       <along-beam axis="z" />