diff --git a/vllm/transformers_utils/processors/glm4v.py b/vllm/transformers_utils/processors/glm4v.py
index b08113e04..8c3b207d0 100644
--- a/vllm/transformers_utils/processors/glm4v.py
+++ b/vllm/transformers_utils/processors/glm4v.py
@@ -28,8 +28,11 @@ class GLM4VProcessor(ProcessorMixin):
         self,
         tokenizer: PreTrainedTokenizer,
         image_size: int,
+        image_processor: GLM4VImageProcessorFast | None = None,
     ) -> None:
         self.tokenizer = tokenizer
-        self.image_processor = GLM4VImageProcessorFast(
-            size={"width": image_size, "height": image_size}
-        )
+        if image_processor is None:
+            image_processor = GLM4VImageProcessorFast(
+                size={"width": image_size, "height": image_size}
+            )
+        self.image_processor = image_processor
diff --git a/vllm/transformers_utils/processors/qwen_vl.py b/vllm/transformers_utils/processors/qwen_vl.py
index d7b4f1c43..8cb852eb3 100644
--- a/vllm/transformers_utils/processors/qwen_vl.py
+++ b/vllm/transformers_utils/processors/qwen_vl.py
@@ -29,11 +29,14 @@ class QwenVLProcessor(ProcessorMixin):
         self,
         tokenizer: QwenVLTokenizer,
         image_size: int,
+        image_processor: QwenVLImageProcessorFast | None = None,
     ) -> None:
         self.tokenizer = tokenizer
-        self.image_processor = QwenVLImageProcessorFast(
-            size={"width": image_size, "height": image_size}
-        )
+        if image_processor is None:
+            image_processor = QwenVLImageProcessorFast(
+                size={"width": image_size, "height": image_size}
+            )
+        self.image_processor = image_processor
 
     @property
     def image_start_tag(self) -> str: