diff --git a/src/CaptchaReader.py b/src/CaptchaReader.py
index 57826faa38c..57b8037904b 100644
--- a/src/CaptchaReader.py
+++ b/src/CaptchaReader.py
@@ -59,6 +59,7 @@ def decode_batch_predictions(pred):
 def _getModel():
     print("loading model...")
     model = load_model()
+    model._make_predict_function()
     model.summary()
     return model