diff --git a/inst/cta/test/data/crab.xml b/inst/cta/test/data/crab.xml
index 59ba11a..be48302 100644
--- a/inst/cta/test/data/crab.xml
+++ b/inst/cta/test/data/crab.xml
@@ -7,8 +7,8 @@
        <parameter name="Scale"     scale="1e6"   value="0.3"  min="0.01"  max="1000.0" free="0"/>
     </spectrum>
     <spatialModel type="SkyDirFunction">
-      <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="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>
   </source>
   <source name="Background" type="RadialAcceptance" instrument="CTA">