diff --git a/language_formatters_pre_commit_hooks/pretty_format_toml.py b/language_formatters_pre_commit_hooks/pretty_format_toml.py
index bb3864c..949d820 100644
--- a/language_formatters_pre_commit_hooks/pretty_format_toml.py
+++ b/language_formatters_pre_commit_hooks/pretty_format_toml.py
@@ -26,6 +26,12 @@ def pretty_format_toml(argv: typing.Optional[typing.List[str]] = None) -> int:
         default="2",
         help="The number of spaces to be used as delimiter for indentation level (Default: %(default)s)",
     )
+    parser.add_argument(
+        "--inline-comment-spaces",
+        type=int,
+        default="2",
+        help="The number of spaces to be used as delimiter before inline comments (Default: %(default)s)",
+    )
     parser.add_argument("filenames", nargs="*", help="Filenames to fix")
     parser.add_argument(
         "--trailing-commas",
@@ -58,7 +64,7 @@ def pretty_format_toml(argv: typing.Optional[typing.List[str]] = None) -> int:
                 ),
                 sort_config=SortConfiguration(tables=not args.no_sort, table_keys=not args.no_sort),
                 format_config=FormattingConfiguration(
-                    spaces_before_inline_comment=2,
+                    spaces_before_inline_comment=args.inline_comment_spaces,
                     spaces_indent_inline_array=args.indent,
                     trailing_comma_inline_array=args.trailing_commas,
                 ),
diff --git a/test-data/pretty_format_toml/inline-comment-1spaces-pretty-formatted.toml b/test-data/pretty_format_toml/inline-comment-1spaces-pretty-formatted.toml
new file mode 100644
index 0000000..076cfd5
--- /dev/null
+++ b/test-data/pretty_format_toml/inline-comment-1spaces-pretty-formatted.toml
@@ -0,0 +1,2 @@
+[root]
+root_key = "root_key" # root
diff --git a/test-data/pretty_format_toml/inline-comment-2spaces-pretty-formatted.toml b/test-data/pretty_format_toml/inline-comment-2spaces-pretty-formatted.toml
new file mode 100644
index 0000000..982b514
--- /dev/null
+++ b/test-data/pretty_format_toml/inline-comment-2spaces-pretty-formatted.toml
@@ -0,0 +1,2 @@
+[root]
+root_key = "root_key"  # root
diff --git a/tests/pretty_format_toml_test.py b/tests/pretty_format_toml_test.py
index e5f8082..f0443ef 100644
--- a/tests/pretty_format_toml_test.py
+++ b/tests/pretty_format_toml_test.py
@@ -39,6 +39,10 @@ def test_pretty_format_toml(filename, expected_retval):
         ("indent4-pretty-formatted.toml", ["--indent=4"], 0),
         ("no-sort-pretty-formatted.toml", ["--no-sort"], 0),
         ("no-sort-pretty-formatted.toml", [], 1),
+        ("inline-comment-2spaces-pretty-formatted.toml", [], 0),
+        ("inline-comment-2spaces-pretty-formatted.toml", ["--inline-comment-spaces=2"], 0),
+        ("inline-comment-1spaces-pretty-formatted.toml", [], 1),
+        ("inline-comment-1spaces-pretty-formatted.toml", ["--inline-comment-spaces=1"], 0),
     ),
 )
 def test_pretty_format_toml_custom_cli_arguments(filename, args, expected_retval):