diff --git a/.changes/unreleased/Fixes-20240129-110034.yaml b/.changes/unreleased/Fixes-20240129-110034.yaml
new file mode 100644
index 00000000..705768a2
--- /dev/null
+++ b/.changes/unreleased/Fixes-20240129-110034.yaml
@@ -0,0 +1,6 @@
+kind: Fixes
+body: Referencing entities in where filter causes an error.
+time: 2024-01-29T11:00:34.690723-08:00
+custom:
+  Author: plypaul
+  Issue: "256"
diff --git a/dbt_semantic_interfaces/parsing/where_filter/parameter_set_factory.py b/dbt_semantic_interfaces/parsing/where_filter/parameter_set_factory.py
index af8fc085..e0ef5332 100644
--- a/dbt_semantic_interfaces/parsing/where_filter/parameter_set_factory.py
+++ b/dbt_semantic_interfaces/parsing/where_filter/parameter_set_factory.py
@@ -87,14 +87,18 @@ def create_dimension(dimension_name: str, entity_path: Sequence[str] = ()) -> Di
     @staticmethod
     def create_entity(entity_name: str, entity_path: Sequence[str] = ()) -> EntityCallParameterSet:
         """Gets called by Jinja when rendering {{ Entity(...) }}."""
-        group_by_item_name = DunderedNameFormatter.parse_name(entity_name)
-        if len(group_by_item_name.entity_links) > 0 or group_by_item_name.time_granularity is not None:
+        structured_dundered_name = DunderedNameFormatter.parse_name(entity_name)
+        if structured_dundered_name.time_granularity is not None:
             raise ParseWhereFilterException(
                 f"Entity name is in an incorrect format: '{entity_name}'. "
                 f"It should not contain any dunders (double underscores, or __)."
             )
 
+        additional_entity_path_elements = tuple(
+            EntityReference(element_name=entity_path_item) for entity_path_item in entity_path
+        )
+
         return EntityCallParameterSet(
-            entity_path=tuple(EntityReference(element_name=arg) for arg in entity_path),
-            entity_reference=EntityReference(element_name=entity_name),
+            entity_path=additional_entity_path_elements + structured_dundered_name.entity_links,
+            entity_reference=EntityReference(element_name=structured_dundered_name.element_name),
         )
diff --git a/pyproject.toml b/pyproject.toml
index 70a8a86d..edcd5d34 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "dbt-semantic-interfaces"
-version = "0.5.0a3"
+version = "0.5.0a4"
 description = 'The shared semantic layer definitions that dbt-core and MetricFlow use'
 readme = "README.md"
 requires-python = ">=3.8"
diff --git a/tests/parsing/test_where_filter_parsing.py b/tests/parsing/test_where_filter_parsing.py
index cf741f32..553d9fa1 100644
--- a/tests/parsing/test_where_filter_parsing.py
+++ b/tests/parsing/test_where_filter_parsing.py
@@ -13,6 +13,7 @@
 
 import pytest
 
+from dbt_semantic_interfaces.call_parameter_sets import EntityCallParameterSet
 from dbt_semantic_interfaces.implementations.base import HashableBaseModel
 from dbt_semantic_interfaces.implementations.filters.where_filter import (
     PydanticWhereFilter,
@@ -21,6 +22,7 @@
 from dbt_semantic_interfaces.parsing.where_filter.where_filter_parser import (
     WhereFilterParser,
 )
+from dbt_semantic_interfaces.references import EntityReference
 from dbt_semantic_interfaces.type_enums.date_part import DatePart
 
 __BOOLEAN_EXPRESSION__ = "1 > 0"
@@ -162,3 +164,26 @@ def test_dimension_date_part() -> None:  # noqa
     param_sets = WhereFilterParser.parse_call_parameter_sets(where)
     assert len(param_sets.time_dimension_call_parameter_sets) == 1
     assert param_sets.time_dimension_call_parameter_sets[0].date_part == DatePart.YEAR
+
+
+def test_entity_without_primary_entity_prefix() -> None:  # noqa
+    where = "{{ Entity('non_primary_entity') }} = '1'"
+    param_sets = WhereFilterParser.parse_call_parameter_sets(where)
+    assert len(param_sets.entity_call_parameter_sets) == 1
+    assert param_sets.entity_call_parameter_sets[0] == EntityCallParameterSet(
+        entity_path=(),
+        entity_reference=EntityReference(element_name="non_primary_entity"),
+    )
+
+
+def test_entity() -> None:  # noqa
+    where = "{{ Entity('entity_1__entity_2', entity_path=['entity_0']) }} = '1'"
+    param_sets = WhereFilterParser.parse_call_parameter_sets(where)
+    assert len(param_sets.entity_call_parameter_sets) == 1
+    assert param_sets.entity_call_parameter_sets[0] == EntityCallParameterSet(
+        entity_path=(
+            EntityReference(element_name="entity_0"),
+            EntityReference(element_name="entity_1"),
+        ),
+        entity_reference=EntityReference(element_name="entity_2"),
+    )