diff --git a/rodi/__init__.py b/rodi/__init__.py
index 5dd0145..ee30708 100644
--- a/rodi/__init__.py
+++ b/rodi/__init__.py
@@ -746,6 +746,13 @@ def get(
             scope = ActivationScope(self)
 
         resolver = self._map.get(desired_type)
+        if not resolver:
+            cls_name = class_name(desired_type)
+            resolver = (
+                self._map.get(cls_name)
+                or self._map.get(cls_name.lower())
+                or self._map.get(to_standard_param_name(cls_name))
+            )
         scoped_service = scope.scoped_services.get(desired_type) if scope else None
 
         if not resolver and not scoped_service:
diff --git a/tests/test_services.py b/tests/test_services.py
index 2e67f88..bdd3fe3 100644
--- a/tests/test_services.py
+++ b/tests/test_services.py
@@ -713,6 +713,9 @@ def resolve_derived_class(_) -> DerivedClass:
     assert isinstance(u, UsingAliasByType)
     assert isinstance(u.example, DerivedClass)
 
+    b = provider.get(BaseClass)
+    assert isinstance(b, DerivedClass)
+
 
 def test_get_service_by_name_or_alias():
     container = arrange_cats_example()