diff --git a/pyerrors/correlators.py b/pyerrors/correlators.py
index e3acbade..13d5868e 100644
--- a/pyerrors/correlators.py
+++ b/pyerrors/correlators.py
@@ -313,10 +313,12 @@ class Corr:
             ax1.set_yscale('log')
         else:
             # we generate ylim instead of using autoscaling.
-            y_min=min([(x[0].value - x[0].dvalue) for x in self.content[x_range[0]:x_range[1]] if (x is not None) and x[0].dvalue < 2 * np.abs(x[0].value)])
-            y_max=max([(x[0].value + x[0].dvalue) for x in self.content[x_range[0]:x_range[1]] if (x is not None) and x[0].dvalue < 2 * np.abs(x[0].value)])
-            ax1.set_ylim([y_min - 0.1 * (y_max - y_min), y_max + 0.1 * (y_max - y_min)])
-
+            try:
+                y_min=min([(x[0].value - x[0].dvalue) for x in self.content[x_range[0]:x_range[1]] if (x is not None) and x[0].dvalue < 2 * np.abs(x[0].value)])
+                y_max=max([(x[0].value + x[0].dvalue) for x in self.content[x_range[0]:x_range[1]] if (x is not None) and x[0].dvalue < 2 * np.abs(x[0].value)])
+                ax1.set_ylim([y_min - 0.1 * (y_max - y_min), y_max + 0.1 * (y_max - y_min)])
+            except:
+                pass
         if comp:
             if isinstance(comp, Corr) or isinstance(comp, list):
                 for corr in comp if isinstance(comp, list) else [comp]: