diff --git a/mupixutils.py b/mupixutils.py
index 1192292f31c13438b292d0a370aab5a4f4fd05e5..97fa40f67217bd0bc9f292490f0935e95404e7e6 100644
--- a/mupixutils.py
+++ b/mupixutils.py
@@ -185,7 +185,7 @@ def train(d_model, g_model, gan_model, dataset, output_path, val_dataset = None,
                 history[2].append(ssim)
                 print("Epoch", current_epoch)
                 # print('Val> mse[%.3e], ssim[%.3e]' % (mse, ssim))
-                print("Val> mse[",str(mse),"], ssim[",str(ssim),"]" % (mse, ssim))
+                print("Val> mse[",str(mse),"], ssim[",str(ssim),"]")
                 cur_patience-=1
                 val_loss = mse/((ssim+1)/2) # scaling ssim on 0,1 instead of -1,1 : trouble when ssim is <0
                 with open(output_path+"/log.txt", 'a') as file: