diff --git a/nipype/interfaces/dcm2nii.py b/nipype/interfaces/dcm2nii.py
index 7561187117..3e28d26a5c 100644
--- a/nipype/interfaces/dcm2nii.py
+++ b/nipype/interfaces/dcm2nii.py
@@ -235,16 +235,22 @@ class Dcm2niixOutputSpec(TraitedSpec):
 
 class Dcm2niix(CommandLine):
     """Uses Chris Rorden's dcm2niix to convert dicom files
+
     Examples
     ========
+
     >>> from nipype.interfaces.dcm2nii import Dcm2niix
     >>> converter = Dcm2niix()
     >>> converter.inputs.source_names = ['functional_1.dcm', 'functional_2.dcm']
     >>> converter.inputs.compress = 'i'
     >>> converter.inputs.single_file = True
     >>> converter.inputs.output_dir = '.'
-    >>> converter.cmdline
-    'dcm2niix -b y -z i -m n -f %t%p -o . -s y -v n -x n -t n functional_1.dcm'
+    >>> converter.cmdline # doctest: +SKIP
+    'dcm2niix -b y -z i -x n -t n -m n -f %t%p -o . -s y -v n functional_1.dcm'
+
+    >>> flags = '-'.join([val.strip() + ' ' for val in sorted(' '.join(converter.cmdline.split()[1:-1]).split('-'))])
+    >>> flags
+    ' -b y -f %t%p -m n -o . -s y -t n -v n -x n -z i '
     """
 
     input_spec = Dcm2niixInputSpec
diff --git a/nipype/interfaces/tests/test_runtime_profiler.py b/nipype/interfaces/tests/test_runtime_profiler.py
index 4da832aab5..8c911449b0 100644
--- a/nipype/interfaces/tests/test_runtime_profiler.py
+++ b/nipype/interfaces/tests/test_runtime_profiler.py
@@ -393,7 +393,8 @@ def test_cmdline_profiling(self):
 
         # Assert runtime stats are what was input
         self.assertLessEqual(runtime_gb_err, allowed_gb_err, msg=mem_err)
-        self.assertEqual(expected_runtime_threads, runtime_threads, msg=threads_err)
+        self.assertTrue(abs(expected_runtime_threads - runtime_threads) <= 1,
+                        msg=threads_err)
 
     # Test resources were used as expected
     @unittest.skipIf(run_profiler == False, skip_profile_msg)
@@ -434,7 +435,8 @@ def test_function_profiling(self):
 
         # Assert runtime stats are what was input
         self.assertLessEqual(runtime_gb_err, allowed_gb_err, msg=mem_err)
-        self.assertEqual(expected_runtime_threads, runtime_threads, msg=threads_err)
+        self.assertTrue(abs(expected_runtime_threads - runtime_threads) <= 1,
+                        msg=threads_err)
 
 
 # Command-line run-able unittest module