diff --git a/plotter.py b/plotter.py
index 80544a8..894e3e1 100644
--- a/plotter.py
+++ b/plotter.py
@@ -1406,7 +1406,7 @@ class Plotter(Aggregator, BaseProcessor):
                 self,
                 partial(
                     self._plot_map,
-                    "rho",
+                    "Q",
                     label=r"$Q$",
                     vmin=0.01,
                     vmax=100,