diff --git a/exp/kerokero/test.py b/exp/kerokero/test.py
--- a/exp/kerokero/test.py
+++ b/exp/kerokero/test.py
@@ -24,7 +24,7 @@ model.summary()
 
 log.info("loading data...")
 with np.load(args.data) as data:
-	testImages=data["testImages"].reshape((-1,224,224,1))
+	testImages=(np.float32(data["testImages"])/128-1).reshape((-1,224,224,1))
 	testLabels=data["testLabels"].reshape((-1,4,2))
 log.info("done")