diff --git a/src/ctbin/ctbin.par b/src/ctbin/ctbin.par
index bf4447b..8838fba 100644
--- a/src/ctbin/ctbin.par
+++ b/src/ctbin/ctbin.par
@@ -44,7 +44,8 @@ proj,     s, a, "CAR", AIT|AZP|CAR|MER|STG|TAN,, "Projection method e.g. AIT|AZP
 #
 # Standard parameters
 #====================
-chatter, i, h, 1,0,4, "Chattiness of output"
+chatter, i, h, 2,0,4, "Chattiness of output"
 clobber, b, h, yes,,, "Overwrite existing output files with new output files?"
 debug,   b, h, no,,, "Debugging mode activated"
 mode,    s, h, "ql",,, "Mode of automatic parameters"
+logfile, f, h, "ctbin.log",,, "Log filename"
diff --git a/src/ctlike/ctlike.par b/src/ctlike/ctlike.par
index 35d3c31..4faea1a 100644
--- a/src/ctlike/ctlike.par
+++ b/src/ctlike/ctlike.par
@@ -27,7 +27,8 @@ outmdl, f, a, "crab_results.xml",,,   "Source model output file"
 #
 # Standard parameters
 #====================
-chatter, i, h,  2,0,4, "Chattiness of output"
-clobber, b, h,  yes,,, "Overwrite existing output files with new output files?"
-debug,   b, h,   no,,, "Debugging mode activated"
+chatter, i, h, 2,0,4, "Chattiness of output"
+clobber, b, h, yes,,, "Overwrite existing output files with new output files?"
+debug,   b, h, no,,, "Debugging mode activated"
 mode,    s, h, "ql",,, "Mode of automatic parameters"
+logfile, f, h, "ctlike.log",,, "Log filename"
diff --git a/src/ctmodel/ctmodel.par b/src/ctmodel/ctmodel.par
index a769ded..19476fb 100644
--- a/src/ctmodel/ctmodel.par
+++ b/src/ctmodel/ctmodel.par
@@ -56,7 +56,8 @@ proj,     s, a, "CAR", AIT|AZP|CAR|MER|STG|TAN,, "Projection method e.g. AIT|AZP
 #
 # Standard parameters
 #====================
-chatter,  i, h, 1,0,4, "Chattiness of output"
-clobber,  b, h, yes,,, "Overwrite existing output files with new output files?"
-debug,    b, h, no,,, "Debugging mode activated"
-mode,     s, h, "ql",,, "Mode of automatic parameters"
+chatter, i, h, 2,0,4, "Chattiness of output"
+clobber, b, h, yes,,, "Overwrite existing output files with new output files?"
+debug,   b, h, no,,, "Debugging mode activated"
+mode,    s, h, "ql",,, "Mode of automatic parameters"
+logfile, f, h, "ctmodel.log",,, "Log filename"
diff --git a/src/ctobssim/ctobssim.par b/src/ctobssim/ctobssim.par
index 0d48198..e85581f 100644
--- a/src/ctobssim/ctobssim.par
+++ b/src/ctobssim/ctobssim.par
@@ -23,8 +23,8 @@ prefix, s, h, "sim_events_",,,        "Prefix for event lists in observation def
 #
 # Observation parameters
 #=======================
-caldb,  s, a, "test/irf",,,    "Calibration database"
-irf,    s, a, "cta_dummy_irf",,, "Instrument response function"
+caldb, s, a, "test/irf",,,    "Calibration database"
+irf,   s, a, "cta_dummy_irf",,, "Instrument response function"
 #
 # Simulation parameters
 #======================
@@ -40,7 +40,8 @@ deadc,  r, h,    0.95,    0,  1, "Average deadtime correction factor"
 #
 # Standard parameters
 #====================
-chatter, i, h,  2,0,4, "Chattiness of output"
-clobber, b, h,  yes,,, "Overwrite existing output files with new output files?"
-debug,   b, h,   no,,, "Debugging mode activated"
+chatter, i, h, 2,0,4, "Chattiness of output"
+clobber, b, h, yes,,, "Overwrite existing output files with new output files?"
+debug,   b, h, no,,, "Debugging mode activated"
 mode,    s, h, "ql",,, "Mode of automatic parameters"
+logfile, f, h, "ctobssim.log",,, "Log filename"
diff --git a/src/ctselect/ctselect.par b/src/ctselect/ctselect.par
index 32b2896..22aedde 100644
--- a/src/ctselect/ctselect.par
+++ b/src/ctselect/ctselect.par
@@ -35,7 +35,8 @@ expr,   s, h,    "",     ,   , "Additional selection expression"
 #
 # Standard parameters
 #====================
-chatter, i, h,  2,0,4, "Chattiness of output"
-clobber, b, h,  yes,,, "Overwrite existing output files with new output files?"
-debug,   b, h,   no,,, "Debugging mode activated"
+chatter, i, h, 2,0,4, "Chattiness of output"
+clobber, b, h, yes,,, "Overwrite existing output files with new output files?"
+debug,   b, h, no,,, "Debugging mode activated"
 mode,    s, h, "ql",,, "Mode of automatic parameters"
+logfile, f, h, "ctselect.log",,, "Log filename"
diff --git a/src/ctskymap/ctskymap.par b/src/ctskymap/ctskymap.par
index ea9eab2..480671d 100644
--- a/src/ctskymap/ctskymap.par
+++ b/src/ctskymap/ctskymap.par
@@ -22,8 +22,8 @@ outfile, f, a, "skymap.fits",,, "Output file name"
 #
 # Event selection parameters
 #===========================
-emin,     r, a,   0.1,,,"Minimum energy in TeV"
-emax,     r, a, 100.0,,,"Maximum energy in TeV"
+emin, r, a,   0.1,,,"Minimum energy in TeV"
+emax, r, a, 100.0,,,"Maximum energy in TeV"
 #
 # Spatial binning parameters
 #===========================
@@ -39,7 +39,8 @@ proj,     s, a, "CAR", AIT|AZP|CAR|MER|STG|TAN,, "Projection method e.g. AIT|AZP
 #
 # Standard parameters
 #====================
-chatter, i, h, 1,0,4, "Chattiness of output"
+chatter, i, h, 2,0,4, "Chattiness of output"
 clobber, b, h, yes,,, "Overwrite existing output files with new output files?"
 debug,   b, h, no,,, "Debugging mode activated"
 mode,    s, h, "ql",,, "Mode of automatic parameters"
+logfile, f, h, "ctskymap.log",,, "Log filename"