diff --git a/pydsdl/__init__.py b/pydsdl/__init__.py
index 8531978..bc71a3e 100644
--- a/pydsdl/__init__.py
+++ b/pydsdl/__init__.py
@@ -7,7 +7,7 @@
 import sys as _sys
 from pathlib import Path as _Path
 
-__version__ = "1.22.0"
+__version__ = "1.22.1"
 __version_info__ = tuple(map(int, __version__.split(".")[:3]))
 __license__ = "MIT"
 __author__ = "OpenCyphal"
diff --git a/pydsdl/_data_schema_builder.py b/pydsdl/_data_schema_builder.py
index 1ec7896..9fc246b 100644
--- a/pydsdl/_data_schema_builder.py
+++ b/pydsdl/_data_schema_builder.py
@@ -81,7 +81,7 @@ def offset(self) -> _bit_length_set.BitLengthSet:
         # only the total offset (i.e., total size) is defined.
         self._bit_length_computed_at_least_once = True
         ty = _serializable.UnionType if self.union else _serializable.StructureType
-        out = ty.aggregate_bit_length_sets([f.data_type for f in self.fields])  # type: ignore
+        out = ty.aggregate_bit_length_sets([f.data_type for f in self.fields])
         assert isinstance(out, _bit_length_set.BitLengthSet) and len(out) > 0
         return out
 
diff --git a/pydsdl/_dsdl_definition.py b/pydsdl/_dsdl_definition.py
index a85e6b4..adf5383 100644
--- a/pydsdl/_dsdl_definition.py
+++ b/pydsdl/_dsdl_definition.py
@@ -164,7 +164,7 @@ def from_first_in(cls: Type["DSDLDefinition"], dsdl_path: Path, valid_dsdl_roots
     def __init__(self, file_path: Path, root_namespace_path: Path):
         """ """
         # Normalizing the path and reading the definition text
-        self._file_path = Path(file_path)
+        self._file_path = Path(file_path).resolve()
         del file_path
 
         if not self._file_path.exists():
@@ -172,7 +172,7 @@ def __init__(self, file_path: Path, root_namespace_path: Path):
                 "Attempt to construct ReadableDSDLFile object for file that doesn't exist.", self._file_path
             )
 
-        self._root_namespace_path = Path(root_namespace_path)
+        self._root_namespace_path = Path(root_namespace_path).resolve()
         del root_namespace_path
         self._text: str | None = None
 
@@ -385,6 +385,16 @@ def _unittest_dsdl_definition_read_text(temp_dsdl_factory) -> None:  # type: ign
     assert "@sealed" == target_definition.text
 
 
+def _unittest_dsdl_definition_issue_111(temp_dsdl_factory) -> None:  # type: ignore
+    target_root = Path("root", "ns")
+    target_file_path = Path(target_root / "Target.1.1.dsdl")
+    dsdl_file = temp_dsdl_factory.new_file(target_root / target_file_path, "@sealed")
+    actual_root = Path(str(dsdl_file.parent) + "/..")
+
+    target_definition = DSDLDefinition(actual_root / dsdl_file.parent / dsdl_file.name, actual_root)
+    assert "@sealed" == target_definition.text
+
+
 def _unittest_type_from_path_inference() -> None:
     from pytest import raises as expect_raises