diff --git a/swig/python/gdal-utils/osgeo_utils/gdal_edit.py b/swig/python/gdal-utils/osgeo_utils/gdal_edit.py
index 6d760207fc7e..341c89e8dc3a 100644
--- a/swig/python/gdal-utils/osgeo_utils/gdal_edit.py
+++ b/swig/python/gdal-utils/osgeo_utils/gdal_edit.py
@@ -89,7 +89,7 @@ def gdal_edit(argv):
 
     argv = gdal.GeneralCmdLineProcessor(argv)
     if argv is None:
-        return 2
+        return 0
 
     datasetname = None
     srs = None
diff --git a/swig/python/gdal-utils/osgeo_utils/gdal_pansharpen.py b/swig/python/gdal-utils/osgeo_utils/gdal_pansharpen.py
index b9bd8cc1477f..7c640c294759 100644
--- a/swig/python/gdal-utils/osgeo_utils/gdal_pansharpen.py
+++ b/swig/python/gdal-utils/osgeo_utils/gdal_pansharpen.py
@@ -71,7 +71,7 @@ def Usage(isError):
 def main(argv=sys.argv):
     argv = gdal.GeneralCmdLineProcessor(argv)
     if argv is None:
-        return -1
+        return 0
 
     pan_name = None
     spectral_names = []
diff --git a/swig/python/gdal-utils/osgeo_utils/gdal_retile.py b/swig/python/gdal-utils/osgeo_utils/gdal_retile.py
index 2c697b055f1b..40a9f9d973da 100644
--- a/swig/python/gdal-utils/osgeo_utils/gdal_retile.py
+++ b/swig/python/gdal-utils/osgeo_utils/gdal_retile.py
@@ -948,7 +948,7 @@ def main(args=None, g=None):
         args = sys.argv
     argv = gdal.GeneralCmdLineProcessor(args)
     if argv is None:
-        return 1
+        return 0
 
     # Parse command line arguments.
     i = 1
diff --git a/swig/python/gdal-utils/osgeo_utils/ogr_layer_algebra.py b/swig/python/gdal-utils/osgeo_utils/ogr_layer_algebra.py
index 1dd43e71b6d5..e85b9a3016aa 100644
--- a/swig/python/gdal-utils/osgeo_utils/ogr_layer_algebra.py
+++ b/swig/python/gdal-utils/osgeo_utils/ogr_layer_algebra.py
@@ -193,7 +193,7 @@ def main(argv=sys.argv):
 
     argv = ogr.GeneralCmdLineProcessor(argv)
     if argv is None:
-        return 1
+        return 0
 
     # Parse command line arguments.
     i = 1
diff --git a/swig/python/gdal-utils/osgeo_utils/ogrmerge.py b/swig/python/gdal-utils/osgeo_utils/ogrmerge.py
index cc930926adea..d7b3bfaff7b8 100644
--- a/swig/python/gdal-utils/osgeo_utils/ogrmerge.py
+++ b/swig/python/gdal-utils/osgeo_utils/ogrmerge.py
@@ -1209,7 +1209,7 @@ def are_sources_gpkg():
 def main(argv=sys.argv):
     argv = ogr.GeneralCmdLineProcessor(argv)
     if argv is None:
-        return 1
+        return 0
     return process(argv[1:])