diff --git a/properties.py b/properties.py
index 40e824a..be523b5 100644
--- a/properties.py
+++ b/properties.py
@@ -61,12 +61,12 @@ def plot_ylabel(self):
 
     def _get_profile(self, halo, maxrad):
         delta = self.plot_xdelta()
-        nbins = int(0.9*maxrad / delta)
-        maxrad = 0.1*maxrad + delta * nbins
+        nbins = int(maxrad / delta)
+        maxrad = delta * nbins
         oprof = pynbody.analysis.profile.Profile(halo.g[self.ofilt], type='lin', ndim=3,
-                                           min=0.1*maxrad, max=maxrad, nbins=nbins)
+                                           min=0, max=maxrad, nbins=nbins)
         iprof = pynbody.analysis.profile.Profile(halo.g[self.ifilt], type='lin', ndim=3,
-                                           min=0.1*maxrad, max=maxrad, nbins=nbins)
+                                           min=0, max=maxrad, nbins=nbins)
         mass_out  = (oprof['p_r']/delta).view(np.ndarray)
         mass_in   = (iprof['p_r']/delta).view(np.ndarray)
         metal_out = (oprof['p_r_metals']/delta).view(np.ndarray)
@@ -743,4 +743,4 @@ def calculate(self, halo, properties):
         mdot_grid_sum, _ = np.histogram(t_orbit[order],weights=Mdot_orbit[order],bins=nbins,range=(0,grid_tmax_Gyr))
         mdot_grid_ave = mdot_grid_sum/mdot_grid_n
 
-        return mdot_grid_ave[self.store_slice(t_max)]
\ No newline at end of file
+        return mdot_grid_ave[self.store_slice(t_max)]