diff --git a/stonesoup/plotter.py b/stonesoup/plotter.py
index a7ee8741f..841e1c462 100644
--- a/stonesoup/plotter.py
+++ b/stonesoup/plotter.py
@@ -310,9 +310,10 @@ def plot_tracks(self, tracks, mapping, uncertainty=False, particle=False, track_
                 else:
                     not_update_indexes.append(n)
 
-            data = np.array(
+            data = np.concatenate(
                 [(getattr(state, 'mean', state.state_vector)[mapping, :])
-                 for state in track]).squeeze().T
+                 for state in track],
+                axis=1)
 
             line = self.ax.plot(
                 *data,