diff --git a/src/gausskernel/storage/replication/slot.cpp b/src/gausskernel/storage/replication/slot.cpp
index 0fbdfa661..133ff0f4f 100644
--- a/src/gausskernel/storage/replication/slot.cpp
+++ b/src/gausskernel/storage/replication/slot.cpp
@@ -386,7 +386,7 @@ void ReplicationSlotCreate(const char *name, ReplicationSlotPersistency persiste
 /*
  * Find a previously created slot and mark it as used by this backend.
  */
-void ReplicationSlotAcquire(const char *name, bool isDummyStandby, bool isDrop)
+void ReplicationSlotAcquire(const char *name, bool isDummyStandby, bool allowDrop)
 {
     ReplicationSlot *slot = NULL;
     int i;
@@ -421,7 +421,7 @@ void ReplicationSlotAcquire(const char *name, bool isDummyStandby, bool isDrop)
     if (active) {
         if ((slot->data.database != InvalidOid || isDummyStandby != slot->data.isDummyStandby)
 #ifndef ENABLE_MULTIPLE_NODES
-           && !isDrop
+           && !allowDrop
 #endif
         )
             ereport(ERROR, (errcode(ERRCODE_OBJECT_IN_USE), errmsg("replication slot \"%s\" is already active", name)));
diff --git a/src/include/replication/slot.h b/src/include/replication/slot.h
index 567daae27..07f2cf3e8 100644
--- a/src/include/replication/slot.h
+++ b/src/include/replication/slot.h
@@ -207,7 +207,7 @@ extern void ReplicationSlotCreate(const char* name, ReplicationSlotPersistency p
     Oid databaseId, XLogRecPtr restart_lsn, char* extra_content = NULL, bool encrypted = false);
 extern void ReplicationSlotPersist(void);
 extern void ReplicationSlotDrop(const char* name, bool for_backup = false);
-extern void ReplicationSlotAcquire(const char* name, bool isDummyStandby, bool isDrop = false);
+extern void ReplicationSlotAcquire(const char* name, bool isDummyStandby, bool allowDrop = false);
 extern bool IsReplicationSlotActive(const char *name);
 bool ReplicationSlotFind(const char* name);
 extern void ReplicationSlotRelease(void);