diff --git a/examples/SimpleDetector/compact/Simple_ILD.xml b/examples/SimpleDetector/compact/Simple_ILD.xml
index 097c6bb62d56a0d61fca3df4a47d9a6dab0fbae1..614ddd8158ce9a30696d18bb209e04de7f95c23e 100644
--- a/examples/SimpleDetector/compact/Simple_ILD.xml
+++ b/examples/SimpleDetector/compact/Simple_ILD.xml
@@ -117,6 +117,11 @@
     </readouts>
 
 
+    <plugins>
+      <plugin name="InstallSurfaceManager"/>
+    </plugins>
+
+
  <fields>
    <field type="solenoid" name="GlobalSolenoid" inner_field="BField_nominal"
 	  outer_field="-1.5*tesla" zmax="SolenoidField_zMax"