diff --git a/test/data/disk.xml b/test/data/disk.xml
index 0263ccc..12291a4 100644
--- a/test/data/disk.xml
+++ b/test/data/disk.xml
@@ -6,11 +6,11 @@
        <parameter name="Index"     scale="-1"    value="2.48" min="0.0"   max="+5.0"   free="1"/>
        <parameter name="Scale"     scale="1e6"   value="0.3"  min="0.01"  max="1000.0" free="0"/>
     </spectrum>
-    <radialModel type="DiskFunction">
-      <parameter name="RA"     scale="1.0" value="83.6331" min="-360" max="360" free="0"/>
-      <parameter name="DEC"    scale="1.0" value="22.0145" min="-90"  max="90"  free="0"/>
+    <spatialModel type="DiskFunction">
+      <parameter name="RA"     scale="1.0" value="83.6331" min="-360" max="360" free="1"/>
+      <parameter name="DEC"    scale="1.0" value="22.0145" min="-90"  max="90"  free="1"/>
       <parameter name="Radius" scale="1.0" value="0.45"    min="0.01" max="10"  free="1"/>
-    </radialModel>
+    </spatialModel>
   </source>
   <source name="Background" type="RadialAcceptance" instrument="CTA">
     <spectrum type="PowerLaw">