diff --git a/test/data/model_background_cube.xml b/test/data/model_background_cube.xml
index 0dce249..6491db6 100644
--- a/test/data/model_background_cube.xml
+++ b/test/data/model_background_cube.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" standalone="no"?>	
 <source_library title="source library">
-  <source name="CTABackgroundModel" type="CTABackground" instrument="CTA">
+  <source name="CTABackgroundModel" type="CTACubeBackground" instrument="CTA">
     <spectrum type="PowerLaw">	
       <parameter name="Prefactor" scale="1.0"  value="1.0"  min="1e-3" max="1e+3"   free="1"/>	
       <parameter name="Index"     scale="1.0"  value="0.0"  min="-5.0" max="+5.0"   free="1"/>	
diff --git a/test/data/model_background_cube_const.xml b/test/data/model_background_cube_const.xml
index 0896fe5..b337a8f 100644
--- a/test/data/model_background_cube_const.xml
+++ b/test/data/model_background_cube_const.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" standalone="no"?>	
 <source_library title="source library">
-  <source name="CTABackgroundModel" type="CTABackground" instrument="CTA">
+  <source name="CTABackgroundModel" type="CTACubeBackground" instrument="CTA">
     <spectrum type="ConstantValue">
       <parameter name="Value" scale="1.0" min="0.01" max="1000.0" value="1.0" free="1"/>	
     </spectrum>