@@ -380,6 +380,7 @@ class Dcm2niixInputSpec(CommandLineInputSpec):
 class Dcm2niixOutputSpec(TraitedSpec):
 converted_files = OutputMultiPath(File(exists=True))
 bvecs = OutputMultiPath(File(exists=True))
+mvecs = OutputMultiPath(File(exists=True))
 bvals = OutputMultiPath(File(exists=True))
 bids = OutputMultiPath(File(exists=True))
 
@@ -459,8 +460,8 @@ def _parse_stdout(self, stdout):
 return filenames
 
 def _parse_files(self, filenames):
-outfiles, bvals, bvecs, bids = [], [], [], []
-outtypes = [".bval", ".bvec", ".json", ".txt"]
+outfiles, bvals, bvecs, mvecs, bids = [], [], [], [], []
+outtypes = [".bval", ".bvec", ".mvec", ".json", ".txt"]
 if self.inputs.to_nrrd:
 outtypes += [".nrrd", ".nhdr", ".raw.gz"]
 else:
@@ -480,10 +481,13 @@ def _parse_files(self, filenames):
 bvals.append(fl)
 elif fl.endswith(".bvec"):
 bvecs.append(fl)
+elif fl.endswith(".mvec"):
+mvecs.append(fl)
 elif fl.endswith(".json") or fl.endswith(".txt"):
 bids.append(fl)
 self.output_files = outfiles
 self.bvecs = bvecs
+self.mvecs = mvecs
 self.bvals = bvals
 self.bids = bids
 
@@ -492,6 +496,7 @@ def _list_outputs(self):
 outputs["converted_files"] = self.output_files
 outputs["bvecs"] = self.bvecs
 outputs["bvals"] = self.bvals
+outputs["mvecs"] = self.mvecs
 outputs["bids"] = self.bids
 return outputs
 

@@ -95,6 +95,7 @@ def test_Dcm2niix_outputs():
 bvals=dict(),
 bvecs=dict(),
 converted_files=dict(),
+mvecs=dict(),
 )
 outputs = Dcm2niix.output_spec()