diff --git a/api/core/rag/index_processor/processor/paragraph_index_processor.py b/api/core/rag/index_processor/processor/paragraph_index_processor.py
index a7c879f2c4..cf68cff7dc 100644
--- a/api/core/rag/index_processor/processor/paragraph_index_processor.py
+++ b/api/core/rag/index_processor/processor/paragraph_index_processor.py
@@ -209,7 +209,7 @@ class ParagraphIndexProcessor(BaseIndexProcessor):
             if dataset.indexing_technique == "high_quality":
                 vector = Vector(dataset)
                 vector.create(documents)
-                if all_multimodal_documents:
+                if all_multimodal_documents and dataset.is_multimodal:
                     vector.create_multimodal(all_multimodal_documents)
             elif dataset.indexing_technique == "economy":
                 keyword = Keyword(dataset)
diff --git a/api/core/rag/index_processor/processor/parent_child_index_processor.py b/api/core/rag/index_processor/processor/parent_child_index_processor.py
index ee29d2fd65..0366f3259f 100644
--- a/api/core/rag/index_processor/processor/parent_child_index_processor.py
+++ b/api/core/rag/index_processor/processor/parent_child_index_processor.py
@@ -312,7 +312,7 @@ class ParentChildIndexProcessor(BaseIndexProcessor):
                 vector = Vector(dataset)
                 if all_child_documents:
                     vector.create(all_child_documents)
-                if all_multimodal_documents:
+                if all_multimodal_documents and dataset.is_multimodal:
                     vector.create_multimodal(all_multimodal_documents)
 
     def format_preview(self, chunks: Any) -> Mapping[str, Any]: