diff --git a/Geometry/MTDCommonData/data/etl/v11/etl.xml b/Geometry/MTDCommonData/data/etl/v11/etl.xml
index 849f9b50a10e2..0da630583e3fa 100644
--- a/Geometry/MTDCommonData/data/etl/v11/etl.xml
+++ b/Geometry/MTDCommonData/data/etl/v11/etl.xml
@@ -1,7 +1,9 @@
 <?xml version="1.0"?>
 <DDDefinition>
   
-
+  <RotationSection label="etl.xml">
+    <Rotation name="RPCD_plus_90CW" thetaX="90*deg" phiX="-90*deg" thetaY="90*deg" phiY="180*deg" thetaZ="180*deg" phiZ="0*deg"/>
+  </RotationSection>
 
   <ConstantsSection label="etl.xml" eval="true">
     <Constant name="ETL_thickness" value="([caloBase:Zpos0H]-[caloBase:Zpos10])"/>
@@ -952,11 +954,13 @@
     <PosPart copyNumber="1">
       <rParent name="etl:Half_Module_Front"/>
       <rChild name="etl:LGAD"/>
+      <rRotation name="rotations:R270" />
       <Translation x="-1*[LGAD_translation_x]" y="-1*[LGAD_translation_y]" z="[LGAD_translation_z]" />
     </PosPart>
     <PosPart copyNumber="2">
       <rParent name="etl:Half_Module_Front"/>
       <rChild name="etl:LGAD"/>
+      <rRotation name="rotations:R270" />
       <Translation x="[LGAD_translation_x]" y="-1*[LGAD_translation_y]" z="[LGAD_translation_z]" />
     </PosPart>
 
@@ -1151,13 +1155,15 @@
     <PosPart copyNumber="1">
       <rParent name="etl:Half_Module_Back"/>
       <rChild name="etl:LGAD"/>
-      <rRotation name="rotations:RPCD" />
+      <!--<rRotation name="rotations:RPCD" /> -->
+      <rRotation name="etl:RPCD_plus_90CW" /> 
       <Translation x="-1*[LGAD_translation_x]" y="-1*[LGAD_translation_y]" z="-1*[LGAD_translation_z]" />
     </PosPart>
     <PosPart copyNumber="2">
       <rParent name="etl:Half_Module_Back"/>
       <rChild name="etl:LGAD"/>
-      <rRotation name="rotations:RPCD" />
+      <!--<rRotation name="rotations:RPCD" /> -->
+      <rRotation name="etl:RPCD_plus_90CW" /> 
       <Translation x="[LGAD_translation_x]" y="-1*[LGAD_translation_y]" z="-1*[LGAD_translation_z]" />
     </PosPart>
     
diff --git a/Geometry/MTDCommonData/data/etl/v12/etl.xml b/Geometry/MTDCommonData/data/etl/v12/etl.xml
index cfa1c931da1f6..fab028434a110 100644
--- a/Geometry/MTDCommonData/data/etl/v12/etl.xml
+++ b/Geometry/MTDCommonData/data/etl/v12/etl.xml
@@ -1,6 +1,9 @@
 <?xml version="1.0"?>
 <DDDefinition>
-  
+
+   <RotationSection label="etl.xml">
+    <Rotation name="RPCD_plus_90CW" thetaX="90*deg" phiX="-90*deg" thetaY="90*deg" phiY="180*deg" thetaZ="180*deg" phiZ="0*deg"/>
+  </RotationSection> 
 
 
   <ConstantsSection label="etl.xml" eval="true">
@@ -951,11 +954,13 @@
     <PosPart copyNumber="1">
       <rParent name="etl:Half_Module_Front"/>
       <rChild name="etl:LGAD"/>
+      <rRotation name="rotations:R270" />
       <Translation x="-1*[LGAD_translation_x]" y="-1*[LGAD_translation_y]" z="[LGAD_translation_z]" />
     </PosPart>
     <PosPart copyNumber="2">
       <rParent name="etl:Half_Module_Front"/>
       <rChild name="etl:LGAD"/>
+      <rRotation name="rotations:R270" />
       <Translation x="[LGAD_translation_x]" y="-1*[LGAD_translation_y]" z="[LGAD_translation_z]" />
     </PosPart>
 
@@ -1150,13 +1155,13 @@
     <PosPart copyNumber="1">
       <rParent name="etl:Half_Module_Back"/>
       <rChild name="etl:LGAD"/>
-      <rRotation name="rotations:RPCD" />
+      <rRotation name="etl:RPCD_plus_90CW" />
       <Translation x="-1*[LGAD_translation_x]" y="-1*[LGAD_translation_y]" z="-1*[LGAD_translation_z]" />
     </PosPart>
     <PosPart copyNumber="2">
       <rParent name="etl:Half_Module_Back"/>
       <rChild name="etl:LGAD"/>
-      <rRotation name="rotations:RPCD" />
+      <rRotation name="etl:RPCD_plus_90CW" />
       <Translation x="[LGAD_translation_x]" y="-1*[LGAD_translation_y]" z="-1*[LGAD_translation_z]" />
     </PosPart>