diff --git a/spec2nii/philips_dcm.py b/spec2nii/philips_dcm.py
index 627a917..53ae2a0 100644
--- a/spec2nii/philips_dcm.py
+++ b/spec2nii/philips_dcm.py
@@ -129,7 +129,8 @@ def all_equal(lst):
         # Combine files into single MRS NIfTI
         # Single file name
         fnames_out.append(mainStr)
-        fnames_out.append(mainStr + '_ref')
+        if ref_list[0] is not None:
+            fnames_out.append(mainStr + '_ref')
 
         dt_used = dwelltime_list[0]
         or_used = orientation_list[0]
diff --git a/spec2nii/spec2nii.py b/spec2nii/spec2nii.py
index 1b718fa..e084a2e 100644
--- a/spec2nii/spec2nii.py
+++ b/spec2nii/spec2nii.py
@@ -257,7 +257,8 @@ def add_common_parameters(subparser):
                                    json=False,
                                    override_nucleus=None,
                                    override_frequency=None,
-                                   override_dwelltime=None)
+                                   override_dwelltime=None,
+                                   verbose=False)
 
         if len(sys.argv) == 1:
             parser.print_usage(sys.stderr)