diff --git a/cebra/integrations/matplotlib.py b/cebra/integrations/matplotlib.py
index 30af7fd4..c2696d4a 100644
--- a/cebra/integrations/matplotlib.py
+++ b/cebra/integrations/matplotlib.py
@@ -684,7 +684,7 @@ def _to_heatmap_format(
                 else:
                     heatmap_values[i, j] = score_dict[label_i, label_j]
 
-        return np.minimum(heatmap_values * 100, 99)
+        return heatmap_values * 100
 
     def _create_text(self):
         """Create the text to add in the confusion matrix grid and the title."""