diff --git a/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts b/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
index b7309dcd8..e2ee9f449 100644
--- a/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
+++ b/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
@@ -154,7 +154,7 @@ class BufferMemoryExtended extends FlowiseMemory implements MemoryMethods {
     async getChatMessages(overrideSessionId = '', returnBaseMessages = false): Promise<IMessage[] | BaseMessage[]> {
         if (!this.collection) return []
 
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         const document = await this.collection.findOne({ sessionId: id })
         const messages = document?.messages || []
         const baseMessages = messages.map(mapStoredMessageToChatMessage)
@@ -164,7 +164,7 @@ class BufferMemoryExtended extends FlowiseMemory implements MemoryMethods {
     async addChatMessages(msgArray: { text: string; type: MessageType }[], overrideSessionId = ''): Promise<void> {
         if (!this.collection) return
 
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         const input = msgArray.find((msg) => msg.type === 'userMessage')
         const output = msgArray.find((msg) => msg.type === 'apiMessage')
 
@@ -196,7 +196,7 @@ class BufferMemoryExtended extends FlowiseMemory implements MemoryMethods {
     async clearChatMessages(overrideSessionId = ''): Promise<void> {
         if (!this.collection) return
 
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         await this.collection.deleteOne({ sessionId: id })
         await this.clear()
     }
diff --git a/packages/components/nodes/memory/MotorheadMemory/MotorheadMemory.ts b/packages/components/nodes/memory/MotorheadMemory/MotorheadMemory.ts
index 19506fc1e..0b8f3800d 100644
--- a/packages/components/nodes/memory/MotorheadMemory/MotorheadMemory.ts
+++ b/packages/components/nodes/memory/MotorheadMemory/MotorheadMemory.ts
@@ -141,7 +141,7 @@ class MotorheadMemoryExtended extends MotorheadMemory implements MemoryMethods {
     }
 
     async getChatMessages(overrideSessionId = '', returnBaseMessages = false): Promise<IMessage[] | BaseMessage[]> {
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         try {
             const resp = await this.caller.call(fetch, `${this.url}/sessions/${id}/memory`, {
                 //@ts-ignore
@@ -172,7 +172,7 @@ class MotorheadMemoryExtended extends MotorheadMemory implements MemoryMethods {
     }
 
     async addChatMessages(msgArray: { text: string; type: MessageType }[], overrideSessionId = ''): Promise<void> {
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         const input = msgArray.find((msg) => msg.type === 'userMessage')
         const output = msgArray.find((msg) => msg.type === 'apiMessage')
         const inputValues = { [this.inputKey ?? 'input']: input?.text }
@@ -182,7 +182,7 @@ class MotorheadMemoryExtended extends MotorheadMemory implements MemoryMethods {
     }
 
     async clearChatMessages(overrideSessionId = ''): Promise<void> {
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         await this.clear(id)
     }
 }
diff --git a/packages/components/nodes/memory/RedisBackedChatMemory/RedisBackedChatMemory.ts b/packages/components/nodes/memory/RedisBackedChatMemory/RedisBackedChatMemory.ts
index c54e07b51..965b67603 100644
--- a/packages/components/nodes/memory/RedisBackedChatMemory/RedisBackedChatMemory.ts
+++ b/packages/components/nodes/memory/RedisBackedChatMemory/RedisBackedChatMemory.ts
@@ -189,7 +189,7 @@ class BufferMemoryExtended extends FlowiseMemory implements MemoryMethods {
     async getChatMessages(overrideSessionId = '', returnBaseMessages = false): Promise<IMessage[] | BaseMessage[]> {
         if (!this.redisClient) return []
 
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         const rawStoredMessages = await this.redisClient.lrange(id, this.windowSize ? this.windowSize * -1 : 0, -1)
         const orderedMessages = rawStoredMessages.reverse().map((message) => JSON.parse(message))
         const baseMessages = orderedMessages.map(mapStoredMessageToChatMessage)
@@ -199,7 +199,7 @@ class BufferMemoryExtended extends FlowiseMemory implements MemoryMethods {
     async addChatMessages(msgArray: { text: string; type: MessageType }[], overrideSessionId = ''): Promise<void> {
         if (!this.redisClient) return
 
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         const input = msgArray.find((msg) => msg.type === 'userMessage')
         const output = msgArray.find((msg) => msg.type === 'apiMessage')
 
@@ -219,7 +219,7 @@ class BufferMemoryExtended extends FlowiseMemory implements MemoryMethods {
     async clearChatMessages(overrideSessionId = ''): Promise<void> {
         if (!this.redisClient) return
 
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         await this.redisClient.del(id)
         await this.clear()
     }
diff --git a/packages/components/nodes/memory/UpstashRedisBackedChatMemory/UpstashRedisBackedChatMemory.ts b/packages/components/nodes/memory/UpstashRedisBackedChatMemory/UpstashRedisBackedChatMemory.ts
index 3d7f6dbfc..98a704abf 100644
--- a/packages/components/nodes/memory/UpstashRedisBackedChatMemory/UpstashRedisBackedChatMemory.ts
+++ b/packages/components/nodes/memory/UpstashRedisBackedChatMemory/UpstashRedisBackedChatMemory.ts
@@ -114,7 +114,7 @@ class BufferMemoryExtended extends FlowiseMemory implements MemoryMethods {
     async getChatMessages(overrideSessionId = '', returnBaseMessages = false): Promise<IMessage[] | BaseMessage[]> {
         if (!this.redisClient) return []
 
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         const rawStoredMessages: StoredMessage[] = await this.redisClient.lrange<StoredMessage>(id, 0, -1)
         const orderedMessages = rawStoredMessages.reverse()
         const previousMessages = orderedMessages.filter((x): x is StoredMessage => x.type !== undefined && x.data.content !== undefined)
@@ -125,7 +125,7 @@ class BufferMemoryExtended extends FlowiseMemory implements MemoryMethods {
     async addChatMessages(msgArray: { text: string; type: MessageType }[], overrideSessionId = ''): Promise<void> {
         if (!this.redisClient) return
 
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         const input = msgArray.find((msg) => msg.type === 'userMessage')
         const output = msgArray.find((msg) => msg.type === 'apiMessage')
 
@@ -145,7 +145,7 @@ class BufferMemoryExtended extends FlowiseMemory implements MemoryMethods {
     async clearChatMessages(overrideSessionId = ''): Promise<void> {
         if (!this.redisClient) return
 
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         await this.redisClient.del(id)
         await this.clear()
     }
diff --git a/packages/components/nodes/memory/ZepMemory/ZepMemory.ts b/packages/components/nodes/memory/ZepMemory/ZepMemory.ts
index 597eee8a0..360a76d48 100644
--- a/packages/components/nodes/memory/ZepMemory/ZepMemory.ts
+++ b/packages/components/nodes/memory/ZepMemory/ZepMemory.ts
@@ -163,14 +163,14 @@ class ZepMemoryExtended extends ZepMemory implements MemoryMethods {
     }
 
     async getChatMessages(overrideSessionId = '', returnBaseMessages = false): Promise<IMessage[] | BaseMessage[]> {
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         const memoryVariables = await this.loadMemoryVariables({}, id)
         const baseMessages = memoryVariables[this.memoryKey]
         return returnBaseMessages ? baseMessages : convertBaseMessagetoIMessage(baseMessages)
     }
 
     async addChatMessages(msgArray: { text: string; type: MessageType }[], overrideSessionId = ''): Promise<void> {
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         const input = msgArray.find((msg) => msg.type === 'userMessage')
         const output = msgArray.find((msg) => msg.type === 'apiMessage')
         const inputValues = { [this.inputKey ?? 'input']: input?.text }
@@ -180,7 +180,7 @@ class ZepMemoryExtended extends ZepMemory implements MemoryMethods {
     }
 
     async clearChatMessages(overrideSessionId = ''): Promise<void> {
-        const id = overrideSessionId ?? this.sessionId
+        const id = overrideSessionId ? overrideSessionId : this.sessionId
         await this.clear(id)
     }
 }