diff --git a/pes_to_spec/model.py b/pes_to_spec/model.py
index 9c939d7cdfe40cb93acd11e8ce27d472989ba038..86fb26a7f7548b23127b7d91f8bde3eab54309bb 100644
--- a/pes_to_spec/model.py
+++ b/pes_to_spec/model.py
@@ -910,8 +910,8 @@ class Model(TransformerMixin, BaseEstimator):
         self.auto_corr = np.real(self.auto_corr)
         self.auto_corr /= np.amax(self.auto_corr)
         try:
-            self.resulution = get_resolution(e_axis - np.mean(e_axis), self.auto_corr)
-        finally:
+            self.resolution = get_resolution(e_axis - np.mean(e_axis), self.auto_corr)
+        except:
             self.resolution = -1.0
         #print("Resolution:", self.resolution)