diff --git a/cosmosis/postprocessing/plots.py b/cosmosis/postprocessing/plots.py
index 074a79ea..4023372e 100644
--- a/cosmosis/postprocessing/plots.py
+++ b/cosmosis/postprocessing/plots.py
@@ -1080,8 +1080,11 @@ def plot_1d(self, name, mu, sigma):
         sigma2 = sigma**2
         x = np.linspace(xmin, xmax, 200)
         p = np.exp(-0.5 * (x-mu)**2 / sigma2)# / np.sqrt(2*np.pi*sigma2)
-        figure,filename = self.figure(name)
+        figure, filename = self.figure(name)
         pylab.figure(figure.number)
+        if not hasattr(figure, "cosmosis_done_truth"):
+            self.plot_truth_1d(name)
+            figure.cosmosis_done_truth = True
         pylab.plot(x, p, label=self.source.label)
         pylab.xlabel(self.latex(name))
         pylab.ylabel("Posterior")
@@ -1116,9 +1119,13 @@ def plot_2d(self, name1, i, name2, j):
         s22 = covmat[1,1]**0.5
 
         #Open the figure (new or existing) for this pair
-        figure,filename = self.figure("2D", name1, name2)
+        figure, filename = self.figure("2D", name1, name2)
         pylab.figure(figure.number)
 
+        if not hasattr(figure, "cosmosis_done_truth"):
+            self.plot_truth_2d(name1, name2)
+            figure.cosmosis_done_truth = True
+
         #Plot the 1 sigma and 2 sigma ellipses
         self.plot_cov_ellipse(covmat, pos, nstd=1, facecolor=None, 
             edgecolor=self.line_color(), linewidth=2, fill=False, label=self.source.label)
@@ -1363,4 +1370,4 @@ def run(self):
             pylab.xlabel(self.latex(col1))
             pylab.ylabel(self.latex(col2))
             filenames.append(filename)
-        return filenames
\ No newline at end of file
+        return filenames