diff --git a/plotter.py b/plotter.py
index 3189e4a..daca3d7 100644
--- a/plotter.py
+++ b/plotter.py
@@ -608,7 +608,7 @@ class Plotter(Aggregator, BaseProcessor):
             values=dmap,
             xaxis_log_scale=False,
             yaxis_log_scale=False,
-            values_log_scale=(norm == mpl.colors.LogNorm()),
+            values_log_scale=False,
             xaxis_label=xlabel,
             yaxis_label=ylabel,
             values_label=label,