diff --git a/python_modules/dagster/dagster/_core/execution/asset_backfill.py b/python_modules/dagster/dagster/_core/execution/asset_backfill.py
index be21d4e51a3c4..6289052f7b353 100644
--- a/python_modules/dagster/dagster/_core/execution/asset_backfill.py
+++ b/python_modules/dagster/dagster/_core/execution/asset_backfill.py
@@ -1327,7 +1327,7 @@ def should_backfill_atomic_asset_partitions_unit(
 
         for parent in parent_partitions_result.parent_partitions:
             can_run_with_parent = (
-                parent in asset_partitions_to_request
+                (parent in asset_partitions_to_request or parent in candidates_unit)
                 and asset_graph.have_same_partitioning(parent.asset_key, candidate.asset_key)
                 and parent.partition_key == candidate.partition_key
                 and asset_graph.get_repository_handle(candidate.asset_key)
diff --git a/python_modules/dagster/dagster_tests/core_tests/execution_tests/test_asset_backfill.py b/python_modules/dagster/dagster_tests/core_tests/execution_tests/test_asset_backfill.py
index e400bd07c0848..cb3529057fcbf 100644
--- a/python_modules/dagster/dagster_tests/core_tests/execution_tests/test_asset_backfill.py
+++ b/python_modules/dagster/dagster_tests/core_tests/execution_tests/test_asset_backfill.py
@@ -19,6 +19,7 @@
 from dagster import (
     AssetIn,
     AssetKey,
+    AssetOut,
     AssetsDefinition,
     DagsterInstance,
     DagsterRunStatus,
@@ -35,6 +36,7 @@
     WeeklyPartitionsDefinition,
     asset,
     materialize,
+    multi_asset,
 )
 from dagster._core.definitions.asset_graph import AssetGraph
 from dagster._core.definitions.asset_graph_subset import AssetGraphSubset
@@ -514,9 +516,10 @@ def get_asset_graph(
     assets_by_repo_name: Mapping[str, Sequence[AssetsDefinition]],
 ) -> ExternalAssetGraph:
     assets_defs_by_key = {
-        assets_def.key: assets_def
+        key: assets_def
         for assets in assets_by_repo_name.values()
         for assets_def in assets
+        for key in assets_def.keys
     }
     with patch(
         "dagster._core.host_representation.external_data.get_builtin_partition_mapping_types"
@@ -1579,3 +1582,31 @@ def first_partitioned():
     assert asset_backfill_data.get_target_root_partitions_subset(
         get_asset_graph(repo_with_partitioned_root)
     ).get_partition_keys() == ["2024-01-01"]
+
+
+def test_multi_asset_internal_deps_asset_backfill():
+    @multi_asset(
+        outs={"a": AssetOut(key="a"), "b": AssetOut(key="b"), "c": AssetOut(key="c")},
+        internal_asset_deps={"c": {AssetKey("a")}, "b": {AssetKey("a")}, "a": set()},
+        partitions_def=StaticPartitionsDefinition(["1", "2", "3"]),
+    )
+    def my_multi_asset():
+        pass
+
+    instance = DagsterInstance.ephemeral()
+    repo_with_unpartitioned_root = {"repo": [my_multi_asset]}
+    asset_graph = get_asset_graph(repo_with_unpartitioned_root)
+    asset_backfill_data = AssetBackfillData.from_asset_partitions(
+        asset_graph=asset_graph,
+        partition_names=["1"],
+        asset_selection=[AssetKey("a"), AssetKey("b"), AssetKey("c")],
+        dynamic_partitions_store=MagicMock(),
+        all_partitions=False,
+        backfill_start_time=pendulum.datetime(2024, 1, 9, 0, 0, 0),
+    )
+    backfill_data = _single_backfill_iteration(
+        "fake_id", asset_backfill_data, asset_graph, instance, repo_with_unpartitioned_root
+    )
+    assert AssetKeyPartitionKey(AssetKey("a"), "1") in backfill_data.requested_subset
+    assert AssetKeyPartitionKey(AssetKey("b"), "1") in backfill_data.requested_subset
+    assert AssetKeyPartitionKey(AssetKey("c"), "1") in backfill_data.requested_subset