diff --git a/src/otx/recipe/action/action_detection/x3d_fastrcnn.yaml b/src/otx/recipe/action/action_detection/x3d_fastrcnn.yaml
index 98df99455f0..df2a59da6d6 100644
--- a/src/otx/recipe/action/action_detection/x3d_fastrcnn.yaml
+++ b/src/otx/recipe/action/action_detection/x3d_fastrcnn.yaml
@@ -37,6 +37,7 @@ overrides:
     config:
       data_format: ava
       train_subset:
+        batch_size: 4
         transforms:
           - type: LoadVideoForDetection
           - type: LoadAnnotations