diff --git a/examples/injection_examples/injection.py b/examples/injection_examples/injection.py
index 23b669e5e53ba139237982fcad0b73bd49a76b09..6dad16b4f0118c55bd1e3963db80024e049296a2 100644
--- a/examples/injection_examples/injection.py
+++ b/examples/injection_examples/injection.py
@@ -42,7 +42,7 @@ def main():
     injection_polarizations = waveform_generator.frequency_domain_strain()
 
     # Create interferometers and inject signal
-    interferometers = [tupak.detector.get_inteferometer_with_fake_noise_and_injection(
+    interferometers = [tupak.detector.get_interferometer_with_fake_noise_and_injection(
             name, injection_polarizations=injection_polarizations, injection_parameters=injection_parameters,
             sampling_frequency=2048, time_duration=4, outdir=outdir) for name in ['H1', 'L1', 'V1']]
 
diff --git a/tupak/__init__.py b/tupak/__init__.py
index 4ed7782d8fa842244a5284696c138dd1592682ae..0f57bbb4f2261d33feaebeef81f1cface0277a5c 100644
--- a/tupak/__init__.py
+++ b/tupak/__init__.py
@@ -7,5 +7,6 @@ from . import prior
 from . import source
 from . import likelihood
 from . import waveform_generator
+from . import result
 from . import sampler
 from . import conversion
diff --git a/tupak/sampler.py b/tupak/sampler.py
index 647029ba1a306b5f7b9e93ca709ff709bde7926a..2817de857008c62fc6e1b9b53c7d03ba2d0e0282 100644
--- a/tupak/sampler.py
+++ b/tupak/sampler.py
@@ -70,6 +70,7 @@ class Sampler(object):
         if result is None:
             self.__result = Result()
             self.__result.search_parameter_keys = self.__search_parameter_keys
+            self.__result.fixed_parameter_keys = self.__fixed_parameter_keys
             self.__result.parameter_labels = [
                 self.priors[k].latex_label for k in
                 self.__search_parameter_keys]