diff --git a/scripts/geometry_analysis/center_of_mass.py b/scripts/geometry_analysis/center_of_mass.py
index 1e83792..34de7b4 100644
--- a/scripts/geometry_analysis/center_of_mass.py
+++ b/scripts/geometry_analysis/center_of_mass.py
@@ -62,7 +62,7 @@ def get_geom(xyz_file_name):
 # input syntax and usage warnings
 def get_inputs():
     if (not len(sys.argv) == 2):
-        print('Usage: center_of_mass.py XYZ_FILE\n')
+        print('Usage: %s XYZ_FILE\n' % sys.argv[0])
         print('  XYZ_FILE: coordinates of target molecule\n')
         sys.exit()
     else:
diff --git a/scripts/geometry_analysis/geometry_analysis.py b/scripts/geometry_analysis/geometry_analysis.py
index b1de49d..45ee20a 100644
--- a/scripts/geometry_analysis/geometry_analysis.py
+++ b/scripts/geometry_analysis/geometry_analysis.py
@@ -94,7 +94,7 @@ def get_geom(xyz_file_name):
 # input syntax and usage warnings
 def get_inputs():
     if (not len(sys.argv) == 2):
-        print('\nUsage: geometry_analysis.py XYZ_FILE\n')
+        print('\nUsage: %s XYZ_FILE\n' % sys.argv[0])
         print('  XYZ_FILE: coordinates of target molecule\n')
         sys.exit()
     else:
diff --git a/scripts/geometry_analysis/moment_of_inertia.py b/scripts/geometry_analysis/moment_of_inertia.py
index 405cdfe..d14b96a 100644
--- a/scripts/geometry_analysis/moment_of_inertia.py
+++ b/scripts/geometry_analysis/moment_of_inertia.py
@@ -66,7 +66,7 @@ def get_geom(xyz_file_name):
 # input syntax and usage warnings
 def get_inputs():
     if (not len(sys.argv) == 2):
-        print('Usage: moment_of_inertia.py XYZ_FILE\n')
+        print('Usage: %s XYZ_FILE\n' % sys.argv[0])
         print('  XYZ_FILE: coordinates of target molecule\n')
         sys.exit()
     else:
diff --git a/scripts/geometry_analysis/out_of_planes.py b/scripts/geometry_analysis/out_of_planes.py
index cf89ed1..204c143 100644
--- a/scripts/geometry_analysis/out_of_planes.py
+++ b/scripts/geometry_analysis/out_of_planes.py
@@ -51,7 +51,7 @@ def get_geom(xyz_file_name):
 # input syntax and usage warnings
 def get_inputs():
     if (not len(sys.argv) == 2):
-        print('Usage: out_of_planes.py XYZ_FILE\n')
+        print('Usage: %s XYZ_FILE\n' % sys.argv[0])
         print('  XYZ_FILE: coordinates of target molecule\n')
         sys.exit()
     else:
diff --git a/scripts/geometry_analysis/torsions.py b/scripts/geometry_analysis/torsions.py
index 89d34b1..f703249 100644
--- a/scripts/geometry_analysis/torsions.py
+++ b/scripts/geometry_analysis/torsions.py
@@ -51,7 +51,7 @@ def get_geom(xyz_file_name):
 # input syntax and usage warnings
 def get_inputs():
     if (not len(sys.argv) == 2):
-        print('Usage: torsions.py XYZ_FILE\n')
+        print('Usage: %s XYZ_FILE\n' % sys.argv[0])
         print('  XYZ_FILE: coordinates of target molecule\n')
         sys.exit()
     else:
diff --git a/scripts/geometry_analysis/zmat2xyz.py b/scripts/geometry_analysis/zmat2xyz.py
index e96aacb..a1c35c5 100644
--- a/scripts/geometry_analysis/zmat2xyz.py
+++ b/scripts/geometry_analysis/zmat2xyz.py
@@ -41,7 +41,7 @@ def get_file_string_array(file_name):
 # input syntax and usage warnings
 def get_input():
     if (not len(sys.argv) == 2):
-        print('\nUsage: zmat2xyz.py ZMAT_FILE\n')
+        print('\nUsage: %s ZMAT_FILE\n' % sys.argv[0])
         print('  ZMAT_FILE: z-matrix file of target molecule\n')
         sys.exit()
     else: