diff --git a/reference_detector.xml b/reference_detector.xml
index e72e0306e848fc2e0ae57c395abc1e7b2efb08f1..6d46ffadf8cf6fa61388e2cfce0e109912e177ca 100644
--- a/reference_detector.xml
+++ b/reference_detector.xml
@@ -121,6 +121,7 @@
   <include ref="compact/ce_mrich.xml"/>
   <include ref="compact/ce_GEM.xml"/>
   <include ref="compact/ffi_ZDC.xml"/>
+
   <!--
   <include ref="compact/forward_rich.xml"/>
   <include ref="compact/hcal.xml"/>