diff --git a/src/_balder/collector.py b/src/_balder/collector.py
index 1b6e7bd..21d089a 100644
--- a/src/_balder/collector.py
+++ b/src/_balder/collector.py
@@ -58,6 +58,18 @@ def __init__(self, working_dir: pathlib.Path):
 
         self.balderglob_was_loaded = False
 
+    @staticmethod
+    def register_raw_fixture(fixture: Callable, level: str):
+        """
+        allows to register a new fixture - used by decorator `@balder.fixture()`
+
+        :param level: the fixture level
+        :param fixture: the fixture callable itself
+        """
+        if level not in Collector._raw_fixtures.keys():
+            Collector._raw_fixtures[level] = []
+        Collector._raw_fixtures[level].append(fixture)
+
     @staticmethod
     def register_possible_method_variation(
             meth: Callable,
diff --git a/src/_balder/decorator_fixture.py b/src/_balder/decorator_fixture.py
index 56efd0b..9da0e6b 100644
--- a/src/_balder/decorator_fixture.py
+++ b/src/_balder/decorator_fixture.py
@@ -18,11 +18,8 @@ def fixture(level: Literal['session', 'setup', 'scenario', 'variation', 'testcas
         raise ValueError(f"the value of `level` must be a `str` with one of the values `{'`, `'.join(allowed_levels)}`")
 
     def decorator_fixture(func):
-        # always add the fixture to FixtureManager.raw_fixtures - class determination will be done later by
-        # :meth:`Collector`
-        if level not in Collector._raw_fixtures.keys():
-            Collector._raw_fixtures[level] = []
-        Collector._raw_fixtures[level].append(func)
+        # always register the raw fixture in Collector - class determination will be done later by :meth:`Collector`
+        Collector.register_raw_fixture(func, level)
 
         @functools.wraps(func)
         def wrapper_fixture(*args, **kwargs):