diff --git a/gwsumm/plot/builtin.py b/gwsumm/plot/builtin.py
index 8037f221..154fca7c 100644
--- a/gwsumm/plot/builtin.py
+++ b/gwsumm/plot/builtin.py
@@ -722,6 +722,11 @@ def draw(self, outputfile=None):
                     xlim=None if ax.get_autoscalex_on() else ax.get_xlim(),
                 )
 
+            # Remove data with range smaller than 1 Mpc for cumulative plot
+            if self.type == 'range-cumulative-histogram':
+                arr = numpy.array(arr)
+                arr = arr[arr>=1]
+
             # plot histogram
             _, _, patches = ax.hist(arr, **pargs)