diff --git a/aimodel/src/deeplabv3_plus_test_rainfall.py b/aimodel/src/deeplabv3_plus_test_rainfall.py
index b410cc9..e5c6dd8 100755
--- a/aimodel/src/deeplabv3_plus_test_rainfall.py
+++ b/aimodel/src/deeplabv3_plus_test_rainfall.py
@@ -100,7 +100,8 @@ def DilatedSpatialPyramidPooling(dspp_input):
 def DeeplabV3Plus(image_size, num_classes, num_channels=3):
     model_input = tf.keras.Input(shape=(image_size, image_size, num_channels))
     resnet50 = tf.keras.applications.ResNet50(
-        weights="imagenet", include_top=False, input_tensor=model_input
+        weights="imagenet" if num_channels == 3 else None,
+		include_top=False, input_tensor=model_input
     )
     x = resnet50.get_layer("conv4_block6_2_relu").output
     x = DilatedSpatialPyramidPooling(x)