diff --git a/westpy/relaxation.py b/westpy/relaxation.py
index a727a4d..9110a60 100644
--- a/westpy/relaxation.py
+++ b/westpy/relaxation.py
@@ -464,7 +464,7 @@ def _compute_new_position(self):
             if np.dot(self.grad, self.step) > 0.0:
                 # resetting bfgs
                 self._log("resetting bfgs history")
-                self.inv_hess = self._reset_bfgs()
+                self._reset_bfgs()
                 self.step = -np.dot(self.inv_hess, self.grad)
 
             self.nr_step_length = self._scnorm(self.step)