diff --git a/models/Makefile.am b/models/Makefile.am
index 1fdbd91..666090b 100644
--- a/models/Makefile.am
+++ b/models/Makefile.am
@@ -20,7 +20,8 @@
 #############################################################################
 
 # Models to install
-models = crab.xml \
+models = bkg_irf.xml \
+         crab.xml \
          crab_beyond.xml \
          crab_2bkg.xml \
          crab_poly.xml \
diff --git a/models/bkg_irf.xml b/models/bkg_irf.xml
new file mode 100644
index 0000000..4c9269c
--- /dev/null
+++ b/models/bkg_irf.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" standalone="no"?>
+<source_library title="source library">
+  <source name="Background" type="CTAIrfBackground" 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"/>
+      <parameter name="PivotEnergy" scale="1e6"  value="1.0"  min="0.01" max="1000.0" free="0"/>
+    </spectrum>
+  </source>	
+</source_library>