diff --git a/tupak/core/sampler.py b/tupak/core/sampler.py
index d46c59f91e10574f77cc7caa53bf9f040aa6413c..ae5007ac5939593e2146ba5f62c5313f8a045d4d 100644
--- a/tupak/core/sampler.py
+++ b/tupak/core/sampler.py
@@ -925,6 +925,7 @@ class Ptemcee(Emcee):
                 total=self.nsteps):
             pass
 
+        self.result.nburn = self.nburn
         self.result.sampler_output = np.nan
         self.result.samples = sampler.chain[0, :, self.nburn:, :].reshape(
             (-1, self.ndim))