diff --git a/models/yolov3-tiny.yaml b/models/yolov3-tiny.yaml
index 85f9fbd4..ff7638ca 100644
--- a/models/yolov3-tiny.yaml
+++ b/models/yolov3-tiny.yaml
@@ -22,7 +22,7 @@ backbone:
    [-1, 1, Conv, [256, 3, 1]],
    [-1, 1, nn.MaxPool2d, [2, 2, 0]],  # 9-P5/32
    [-1, 1, Conv, [512, 3, 1]],
-   [-1, 1, nn.ZeroPad2d, [0, 1, 0, 1]],  # 11
+   [-1, 1, nn.ZeroPad2d, [[0, 1, 0, 1]]],  # 11
    [-1, 1, nn.MaxPool2d, [2, 1, 0]],  # 12
   ]