diff --git a/nipype/interfaces/ants/registration.py b/nipype/interfaces/ants/registration.py
index 7f56764d71..aced6d4ad3 100644
--- a/nipype/interfaces/ants/registration.py
+++ b/nipype/interfaces/ants/registration.py
@@ -321,6 +321,8 @@ class RegistrationInputSpec(ANTSCommandInputSpec):
     winsorize_lower_quantile = traits.Range(
         low=0.0, high=1.0, value=0.0, argstr='%s', usedefault=True, desc="The Lower quantile to clip image ranges")
 
+    float_computations = traits.Int(argstr='--float %d', value=0, desc="Use single floating point for computations")
+
 
 class RegistrationOutputSpec(TraitedSpec):
     forward_transforms = traits.List(
diff --git a/nipype/interfaces/ants/tests/test_auto_Registration.py b/nipype/interfaces/ants/tests/test_auto_Registration.py
index e68484b6ba..9f29caebc8 100644
--- a/nipype/interfaces/ants/tests/test_auto_Registration.py
+++ b/nipype/interfaces/ants/tests/test_auto_Registration.py
@@ -24,6 +24,9 @@ def test_Registration_inputs():
     ),
     fixed_image_mask=dict(argstr='%s',
     ),
+    float_computations=dict(argstr='--float %d',
+    value=0,
+    ),
     ignore_exception=dict(nohash=True,
     usedefault=True,
     ),