diff --git a/utils/utils.py b/utils/utils.py
index 8eebdc33..95abacce 100755
--- a/utils/utils.py
+++ b/utils/utils.py
@@ -7,7 +7,7 @@ import torch.nn.functional as F
 
 # Set printoptions
 torch.set_printoptions(linewidth=1320, precision=5, profile='long')
-np.set_printoptions(linewidth=320, formatter={'float_kind': '{11.5g}'.format})  # format short g, %precision=5
+np.set_printoptions(linewidth=320, formatter={'float_kind': '{:11.5g}'.format})  # format short g, %precision=5
 
 
 def load_classes(path):