diff --git a/models/crab.xml b/models/crab.xml
index e0b19f3..6efac43 100644
--- a/models/crab.xml
+++ b/models/crab.xml
@@ -12,7 +12,7 @@
     </spatialModel>
   </source>
   <source name="Background" type="RadialAcceptance" instrument="CTA">
-    <spectrum type="FileFunction" file="$GAMMALIB/share/models/bkg_dummy.txt">
+    <spectrum type="FileFunction" file="$CTOOLS/share/models/bkg_dummy.txt">
       <parameter scale="1.0" name="Normalization" min="0.0" max="1000.0" value="1.0" free="1"/>
     </spectrum>
     <radialModel type="Gaussian">
diff --git a/models/disk.xml b/models/disk.xml
index 6f862b9..2376938 100644
--- a/models/disk.xml
+++ b/models/disk.xml
@@ -13,7 +13,7 @@
     </spatialModel>
   </source>
   <source name="Background" type="RadialAcceptance" instrument="CTA">
-    <spectrum type="FileFunction" file="$GAMMALIB/share/models/bkg_dummy.txt">
+    <spectrum type="FileFunction" file="$CTOOLS/share/models/bkg_dummy.txt">
       <parameter scale="1.0" name="Normalization" min="0.0" max="1000.0" value="1.0" free="1"/>
     </spectrum>
     <radialModel type="Gaussian">
diff --git a/models/gauss.xml b/models/gauss.xml
index 4efe176..6157fbd 100644
--- a/models/gauss.xml
+++ b/models/gauss.xml
@@ -13,7 +13,7 @@
     </spatialModel>
   </source>
   <source name="Background" type="RadialAcceptance" instrument="CTA">
-    <spectrum type="FileFunction" file="$GAMMALIB/share/models/bkg_dummy.txt">
+    <spectrum type="FileFunction" file="$CTOOLS/share/models/bkg_dummy.txt">
       <parameter scale="1.0" name="Normalization" min="0.0" max="1000.0" value="1.0" free="1"/>
     </spectrum>
     <radialModel type="Gaussian">
diff --git a/models/shell.xml b/models/shell.xml
index fe3b69b..f02ccaa 100644
--- a/models/shell.xml
+++ b/models/shell.xml
@@ -14,7 +14,7 @@
     </spatialModel>
   </source>
   <source name="Background" type="RadialAcceptance" instrument="CTA">
-    <spectrum type="FileFunction" file="$GAMMALIB/share/models/bkg_dummy.txt">
+    <spectrum type="FileFunction" file="$CTOOLS/share/models/bkg_dummy.txt">
       <parameter scale="1.0" name="Normalization" min="0.0" max="1000.0" value="1.0" free="1"/>
     </spectrum>
     <radialModel type="Gaussian">
diff --git a/src/ctbin/ctbin.par b/src/ctbin/ctbin.par
index bb06f73..6e9dd3c 100644
--- a/src/ctbin/ctbin.par
+++ b/src/ctbin/ctbin.par
@@ -17,7 +17,7 @@
 #
 # General parameters
 #===================
-evfile,  f, a, "test/data/crab_events.fits.gz",,,"Input event list or observation definition file"
+evfile,  f, a, "events.fits",,,"Input event list or observation definition file"
 outfile, f, a, "cntmap.fits",,, "Output counts map or observation definition file"
 prefix,  s, h, "cntmap_",,,"Prefix for counts maps in observation definition file"
 #
diff --git a/src/ctlike/ctlike.par b/src/ctlike/ctlike.par
index 89d205f..e9f5d79 100644
--- a/src/ctlike/ctlike.par
+++ b/src/ctlike/ctlike.par
@@ -17,7 +17,7 @@
 #
 # General parameters
 #===================
-infile, f, a, "test/data/crab_events.fits.gz",,,"Event list, counts map or observation definition file"
+infile, f, a, "events.fits",,,"Event list, counts map or observation definition file"
 stat,   s, h, "POISSON",,,            "Optimization statistics"
 refit,  b, h,        no,,,            "Do refitting?"
 caldb,  s, a,         "",,,           "Calibration database"