diff --git a/frigate/detectors/detection_runners.py b/frigate/detectors/detection_runners.py
index f6928c481..0b2e4e704 100644
--- a/frigate/detectors/detection_runners.py
+++ b/frigate/detectors/detection_runners.py
@@ -156,7 +156,7 @@ class CudaGraphRunner(BaseModelRunner):
 class OpenVINOModelRunner(BaseModelRunner):
     """OpenVINO model runner that handles inference efficiently."""
 
-    def __init__(self, model_path: str, device: str, **kwargs):
+    def __init__(self, model_path: str, device: str, complex_model: bool, **kwargs):
         self.model_path = model_path
         self.device = device
 
@@ -180,14 +180,16 @@ class OpenVINOModelRunner(BaseModelRunner):
 
         # Create reusable inference request
         self.infer_request = self.compiled_model.create_infer_request()
+        self.input_tensor: ov.Tensor | None = None
 
-        try:
-            input_shape = self.compiled_model.inputs[0].get_shape()
-            input_element_type = self.compiled_model.inputs[0].get_element_type()
-            self.input_tensor = ov.Tensor(input_element_type, input_shape)
-        except RuntimeError:
-            # model is complex and has dynamic shape
-            self.input_tensor = None
+        if not complex_model:
+            try:
+                input_shape = self.compiled_model.inputs[0].get_shape()
+                input_element_type = self.compiled_model.inputs[0].get_element_type()
+                self.input_tensor = ov.Tensor(input_element_type, input_shape)
+            except RuntimeError:
+                # model is complex and has dynamic shape
+                raise
 
     def get_input_names(self) -> list[str]:
         """Get input names for the model."""