diff --git a/examples/DDCMS/CMakeLists.txt b/examples/DDCMS/CMakeLists.txt
index e88a5d51fa4dfe83b6d9278001263c40e571c3a8..41b33a8a51552f6e5bf0f4d1dd0f0d99eec500f6 100644
--- a/examples/DDCMS/CMakeLists.txt
+++ b/examples/DDCMS/CMakeLists.txt
@@ -73,7 +73,7 @@ dd4hep_add_test_reg( DDCMS_DumpMaterials
   EXEC_ARGS  geoPluginRun -print WARNING
   -input file:${CMAKE_CURRENT_SOURCE_DIR}/data/dd4hep-config.xml
   -destroy -plugin DD4hep_MaterialTable -type xml
-  REGEX_PASS "material name=\"tobmaterial_TOB_ax_services_C18\""
+  REGEX_PASS "material name=\"tobmaterial:TOB_ax_services_C18\""
   REGEX_FAIL "Exception"
   REGEX_FAIL "FAILED"
   )
diff --git a/examples/DDCMS/data/cms_test_solids.xml b/examples/DDCMS/data/cms_test_solids.xml
index cdb2f8ab267743dacbecc25dc2e5bfb9fb86307a..f611803b00117792eff22e77e273e274a22244d1 100644
--- a/examples/DDCMS/data/cms_test_solids.xml
+++ b/examples/DDCMS/data/cms_test_solids.xml
@@ -23,8 +23,8 @@
     <Constant name="world_y" value="5*m"/>
     <Constant name="world_z" value="5*m"/>
     <Constant name="fm"      value="1e-12*m"/>
-    <Constant name="Air"     value="materials_Air"     type="string"/>
-    <Constant name="Vacuum"  value="materials_Vacuum"  type="string"/>
+    <Constant name="Air"     value="materials:Air"     type="string"/>
+    <Constant name="Vacuum"  value="materials:Vacuum"  type="string"/>
   </ConstantsSection>
 
   <IncludeSection>