diff --git a/eive_tmtc/tmtc/tm_store.py b/eive_tmtc/tmtc/tm_store.py
index e31159d..2bd7ac0 100644
--- a/eive_tmtc/tmtc/tm_store.py
+++ b/eive_tmtc/tmtc/tm_store.py
@@ -113,6 +113,7 @@ def add_persistent_tm_store_cmd_defs(defs: TmtcDefinitionWrapper):
     oce = OpCodeEntry()
     oce.add(keys=OpCode.DELETE_UP_TO, info=Info.DELETE_UP_TO)
     oce.add(keys=OpCode.RETRIEVAL_BY_TIME_RANGE, info=Info.RETRIEVAL_BY_TIME_RANGE)
+    oce.add(keys=OpCode.DELETE_BY_TIME_RANGE, info=Info.DELETE_BY_TIME_RANGE)
     defs.add_service(
         CustomServiceList.TM_STORE, "Persistent TM Store", op_code_entry=oce
     )