diff --git a/system/plots.py b/system/plots.py
index d3cae3b..594b227 100644
--- a/system/plots.py
+++ b/system/plots.py
@@ -282,6 +282,7 @@ class ScatterPlot(Plot):
         index = [ind for id,ind in self.dataset[self.current_dim].items() if id in ids] #conversion to index
         xdata_new = scipy.take(self.xaxis_data,index) #take data
         ydata_new = scipy.take(self.yaxis_data,index)
+        self.ax.clear()
         self.ax.plot(self.xaxis_data,self.yaxis_data,'og')
         self.ax.plot(xdata_new,ydata_new,'or')
         self.canvas.draw()