diff --git a/robot-server/robot_server/runs/run_store.py b/robot-server/robot_server/runs/run_store.py
index 446a7a96482..3094b73b8ba 100644
--- a/robot-server/robot_server/runs/run_store.py
+++ b/robot-server/robot_server/runs/run_store.py
@@ -20,7 +20,7 @@
     CommandErrorSlice,
     CommandStatus,
 )
-from opentrons.protocol_engine.commands import Command
+from opentrons.protocol_engine.commands import Command, CommandAdapter
 from opentrons.protocol_engine.types import RunTimeParameter
 
 from opentrons_shared_data.errors.exceptions import (
@@ -51,6 +51,8 @@
 
 _CACHE_ENTRIES = 32
 
+_rtp_list_adapter = TypeAdapter(list[RunTimeParameter])
+
 
 @dataclass(frozen=True)
 class RunResource:
@@ -828,13 +830,9 @@ def _convert_state_to_sql_values(
     }
 
 
-_command_type_adapter: TypeAdapter[Command] = TypeAdapter(Command)
-_rtp_list_adapter = TypeAdapter(list[RunTimeParameter])
-
-
 def _parse_command(json_str: str) -> Command:
     """Parse a JSON string from the database into a `Command`."""
-    return json_to_pydantic(_command_type_adapter, json_str)
+    return json_to_pydantic(CommandAdapter, json_str)
 
 
 def _convert_commands_status_to_sql_command_status(