diff --git a/src/jcloud_docsgen/core/python/arguments.py b/src/jcloud_docsgen/core/python/arguments.py
index 113388e..b67491d 100644
--- a/src/jcloud_docsgen/core/python/arguments.py
+++ b/src/jcloud_docsgen/core/python/arguments.py
@@ -103,17 +103,28 @@ class PythonASTArgumentsListParser:
         :rtype: list[PythonFunctionArgument]
         '''
 
+        defaults = [None for _ in range(len(
+            self.ast_arguments_list.posonlyargs +
+            self.ast_arguments_list.args +
+            self.ast_arguments_list.kwonlyargs
+        ) - len(self.ast_arguments_list.defaults) - len(self.ast_arguments_list.kw_defaults))] + \
+        [ast.unparse(d) for d in self.ast_arguments_list.defaults] + \
+        [ast.unparse(d) if d is not None else None   for d in self.ast_arguments_list.kw_defaults]
+
+        i = 0
         arguments = []
         for arg in self.ast_arguments_list.posonlyargs:
             if arg.annotation is None:
-                arguments.append(PythonFunctionArgument(arg.arg, PythonArgumentKind.POSITIONAL_ONLY, None, None))
+                arguments.append(PythonFunctionArgument(arg.arg, PythonArgumentKind.POSITIONAL_ONLY, defaults[i], None))
             else:
-                arguments.append(PythonFunctionArgument(arg.arg, PythonArgumentKind.POSITIONAL_ONLY, None, ast.unparse(arg.annotation)))
+                arguments.append(PythonFunctionArgument(arg.arg, PythonArgumentKind.POSITIONAL_ONLY, defaults[i], ast.unparse(arg.annotation)))
+            i += 1
         for arg in self.ast_arguments_list.args:
             if arg.annotation is None:
-                arguments.append(PythonFunctionArgument(arg.arg, PythonArgumentKind.NORMAL, None, None))
+                arguments.append(PythonFunctionArgument(arg.arg, PythonArgumentKind.NORMAL, defaults[i], None))
             else:
-                arguments.append(PythonFunctionArgument(arg.arg, PythonArgumentKind.NORMAL, None, ast.unparse(arg.annotation)))
+                arguments.append(PythonFunctionArgument(arg.arg, PythonArgumentKind.NORMAL, defaults[i], ast.unparse(arg.annotation)))
+            i += 1
         if self.ast_arguments_list.vararg is not None:
             if self.ast_arguments_list.vararg.annotation is None:
                 arguments.append(PythonFunctionArgument(self.ast_arguments_list.vararg.arg, PythonArgumentKind.VARARG, None, None))
@@ -121,9 +132,10 @@ class PythonASTArgumentsListParser:
                 arguments.append(PythonFunctionArgument(self.ast_arguments_list.vararg.arg, PythonArgumentKind.VARARG, None, ast.unparse(self.ast_arguments_list.vararg.annotation)))
         for arg in self.ast_arguments_list.kwonlyargs:
             if arg.annotation is None:
-                arguments.append(PythonFunctionArgument(arg.arg, PythonArgumentKind.KEYWORD_ONLY, None, None))
+                arguments.append(PythonFunctionArgument(arg.arg, PythonArgumentKind.KEYWORD_ONLY, defaults[i], None))
             else:
-                arguments.append(PythonFunctionArgument(arg.arg, PythonArgumentKind.KEYWORD_ONLY, None, ast.unparse(arg.annotation)))
+                arguments.append(PythonFunctionArgument(arg.arg, PythonArgumentKind.KEYWORD_ONLY, defaults[i], ast.unparse(arg.annotation)))
+            i += 1
         if self.ast_arguments_list.kwarg is not None:
             if self.ast_arguments_list.kwarg.annotation is None:
                 arguments.append(PythonFunctionArgument(self.ast_arguments_list.kwarg.arg, PythonArgumentKind.KWARGS, None, None))
diff --git a/tests/unit/core/python/arguments/test_PythonASTArgumentsListParser.py b/tests/unit/core/python/arguments/test_PythonASTArgumentsListParser.py
index d280855..1efd6a7 100644
--- a/tests/unit/core/python/arguments/test_PythonASTArgumentsListParser.py
+++ b/tests/unit/core/python/arguments/test_PythonASTArgumentsListParser.py
@@ -159,6 +159,73 @@ def argument_list(argument_list: str) -> ast.arguments:
         PythonFunctionArgument('d', PythonArgumentKind.KEYWORD_ONLY, None, 'dict'),
         PythonFunctionArgument('kwargs', PythonArgumentKind.KWARGS, None, 'set'),
     ]),
+    (argument_list('a = 1, b = \'a\', /, *args, c = None, d = True, **kwargs'), [
+        PythonFunctionArgument('a', PythonArgumentKind.POSITIONAL_ONLY, '1', None),
+        PythonFunctionArgument('b', PythonArgumentKind.POSITIONAL_ONLY, '\'a\'', None),
+        PythonFunctionArgument('args', PythonArgumentKind.VARARG, None, None),
+        PythonFunctionArgument('c', PythonArgumentKind.KEYWORD_ONLY, 'None', None),
+        PythonFunctionArgument('d', PythonArgumentKind.KEYWORD_ONLY, 'True', None),
+        PythonFunctionArgument('kwargs', PythonArgumentKind.KWARGS, None, None),
+    ]),
+    (argument_list('a, b = \'a\', /, *args, c = None, d = True, **kwargs'), [
+        PythonFunctionArgument('a', PythonArgumentKind.POSITIONAL_ONLY, None, None),
+        PythonFunctionArgument('b', PythonArgumentKind.POSITIONAL_ONLY, '\'a\'', None),
+        PythonFunctionArgument('args', PythonArgumentKind.VARARG, None, None),
+        PythonFunctionArgument('c', PythonArgumentKind.KEYWORD_ONLY, 'None', None),
+        PythonFunctionArgument('d', PythonArgumentKind.KEYWORD_ONLY, 'True', None),
+        PythonFunctionArgument('kwargs', PythonArgumentKind.KWARGS, None, None),
+    ]),
+    (argument_list('a, b , /, *args, c = None, d = True, **kwargs'), [
+        PythonFunctionArgument('a', PythonArgumentKind.POSITIONAL_ONLY, None, None),
+        PythonFunctionArgument('b', PythonArgumentKind.POSITIONAL_ONLY, None, None),
+        PythonFunctionArgument('args', PythonArgumentKind.VARARG, None, None),
+        PythonFunctionArgument('c', PythonArgumentKind.KEYWORD_ONLY, 'None', None),
+        PythonFunctionArgument('d', PythonArgumentKind.KEYWORD_ONLY, 'True', None),
+        PythonFunctionArgument('kwargs', PythonArgumentKind.KWARGS, None, None),
+    ]),
+    (argument_list('a, b , /, *args, c, d = True, **kwargs'), [
+        PythonFunctionArgument('a', PythonArgumentKind.POSITIONAL_ONLY, None, None),
+        PythonFunctionArgument('b', PythonArgumentKind.POSITIONAL_ONLY, None, None),
+        PythonFunctionArgument('args', PythonArgumentKind.VARARG, None, None),
+        PythonFunctionArgument('c', PythonArgumentKind.KEYWORD_ONLY, None, None),
+        PythonFunctionArgument('d', PythonArgumentKind.KEYWORD_ONLY, 'True', None),
+        PythonFunctionArgument('kwargs', PythonArgumentKind.KWARGS, None, None),
+    ]),
+    (argument_list('a, b , /, *args, c, d, **kwargs'), [
+        PythonFunctionArgument('a', PythonArgumentKind.POSITIONAL_ONLY, None, None),
+        PythonFunctionArgument('b', PythonArgumentKind.POSITIONAL_ONLY, None, None),
+        PythonFunctionArgument('args', PythonArgumentKind.VARARG, None, None),
+        PythonFunctionArgument('c', PythonArgumentKind.KEYWORD_ONLY, None, None),
+        PythonFunctionArgument('d', PythonArgumentKind.KEYWORD_ONLY, None, None),
+        PythonFunctionArgument('kwargs', PythonArgumentKind.KWARGS, None, None),
+    ]),
+    (argument_list('a, b , /, *args, c = None, d, **kwargs'), [
+        PythonFunctionArgument('a', PythonArgumentKind.POSITIONAL_ONLY, None, None),
+        PythonFunctionArgument('b', PythonArgumentKind.POSITIONAL_ONLY, None, None),
+        PythonFunctionArgument('args', PythonArgumentKind.VARARG, None, None),
+        PythonFunctionArgument('c', PythonArgumentKind.KEYWORD_ONLY, 'None', None),
+        PythonFunctionArgument('d', PythonArgumentKind.KEYWORD_ONLY, None, None),
+        PythonFunctionArgument('kwargs', PythonArgumentKind.KWARGS, None, None),
+    ]),
+    (argument_list('a = 1, b , /, *args, c = None, d, **kwargs'), [
+        PythonFunctionArgument('a', PythonArgumentKind.POSITIONAL_ONLY, '1', None),
+        PythonFunctionArgument('b', PythonArgumentKind.POSITIONAL_ONLY, None, None),
+        PythonFunctionArgument('args', PythonArgumentKind.VARARG, None, None),
+        PythonFunctionArgument('c', PythonArgumentKind.KEYWORD_ONLY, 'None', None),
+        PythonFunctionArgument('d', PythonArgumentKind.KEYWORD_ONLY, None, None),
+        PythonFunctionArgument('kwargs', PythonArgumentKind.KWARGS, None, None),
+    ]),
+    (argument_list('a = 1, b , /, *args, c = None, d = False, **kwargs'), [
+        PythonFunctionArgument('a', PythonArgumentKind.POSITIONAL_ONLY, '1', None),
+        PythonFunctionArgument('b', PythonArgumentKind.POSITIONAL_ONLY, None, None),
+        PythonFunctionArgument('args', PythonArgumentKind.VARARG, None, None),
+        PythonFunctionArgument('c', PythonArgumentKind.KEYWORD_ONLY, 'None', None),
+        PythonFunctionArgument('d', PythonArgumentKind.KEYWORD_ONLY, 'False', None),
+        PythonFunctionArgument('kwargs', PythonArgumentKind.KWARGS, None, None),
+    ]),
+    (argument_list('a = 1'), [
+        PythonFunctionArgument('a', PythonArgumentKind.NORMAL, '1', None)
+    ]),
 ])
 def test_PythonASTArgumentsListParser_to_argument_list(ast_arguments_list, expected):
     assert PythonASTArgumentsListParser(ast_arguments_list).to_argument_list() == expected
\ No newline at end of file