diff --git a/packages/components/nodes/vectorstores/Chroma/Chroma_Existing.ts b/packages/components/nodes/vectorstores/Chroma/Chroma_Existing.ts
index 1d360182..30662d61 100644
--- a/packages/components/nodes/vectorstores/Chroma/Chroma_Existing.ts
+++ b/packages/components/nodes/vectorstores/Chroma/Chroma_Existing.ts
@@ -93,18 +93,20 @@ class Chroma_Existing_VectorStores implements INode {
         const credentialData = await getCredentialData(nodeData.credential ?? '', options)
         const chromaApiKey = getCredentialParam('chromaApiKey', credentialData, nodeData)
 
-        const chromaMetadataFilter = nodeData.inputs?.chromaMetadataFilter;
-        const metadataFilter = chromaMetadataFilter ? JSON.parse(chromaMetadataFilter) : {};
+        const chromaMetadataFilter = nodeData.inputs?.chromaMetadataFilter
+        const metadataFilter = chromaMetadataFilter ? JSON.parse(chromaMetadataFilter) : {}
 
         const obj: {
             collectionName: string
             url?: string
             chromaApiKey?: string
-            metadataFilter?: any
+            filter?: object | undefined
         } = { collectionName }
         if (chromaURL) obj.url = chromaURL
-        if (chromaApiKey) obj.chromaApiKey = chromaApiKey
-        if (chromaMetadataFilter) obj.metadataFilter = metadataFilter
+        if (chromaMetadataFilter) {
+            const metadatafilter = typeof chromaMetadataFilter === 'object' ? chromaMetadataFilter : JSON.parse(chromaMetadataFilter)
+            obj.filter = metadatafilter
+        }
 
         const vectorStore = await ChromaExtended.fromExistingCollection(embeddings, obj)