diff --git a/CHANGES b/CHANGES
index 01a09b735a..c69b13e672 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,7 @@
 Upcoming release (0.14.1)
 ================
 
+* FIX: Cluster threshold in randomise + change default prefix (https://github.com/nipy/nipype/pull/2369)
 * MAINT: Cleaning / simplify ``Node`` (https://github.com/nipy/nipype/pull/#2325)
 
 0.14.0 (November 29, 2017)
diff --git a/nipype/interfaces/fsl/model.py b/nipype/interfaces/fsl/model.py
index f130c01679..0dbf7c6bd1 100644
--- a/nipype/interfaces/fsl/model.py
+++ b/nipype/interfaces/fsl/model.py
@@ -1887,7 +1887,7 @@ class RandomiseInputSpec(FSLCommandInputSpec):
     in_file = File(exists=True, desc='4D input file', argstr='-i %s',
                    position=0, mandatory=True)
     base_name = traits.Str(
-        'tbss_', desc='the rootname that all generated files will have',
+        'randomise', desc='the rootname that all generated files will have',
         argstr='-o "%s"', position=1, usedefault=True)
     design_mat = File(
         exists=True, desc='design matrix file', argstr='-d %s', position=2)
@@ -1934,9 +1934,9 @@ class RandomiseInputSpec(FSLCommandInputSpec):
     var_smooth = traits.Int(
         argstr='-v %d', desc='use variance smoothing (std is in mm)')
     c_thresh = traits.Float(
-        argstr='-c %.2f', desc='carry out cluster-based thresholding')
+        argstr='-c %.1f', desc='carry out cluster-based thresholding')
     cm_thresh = traits.Float(
-        argstr='-C %.2f', desc='carry out cluster-mass-based thresholding')
+        argstr='-C %.1f', desc='carry out cluster-mass-based thresholding')
     f_c_thresh = traits.Float(
         argstr='-F %.2f', desc='carry out f cluster thresholding')
     f_cm_thresh = traits.Float(
@@ -1980,7 +1980,7 @@ class Randomise(FSLCommand):
     >>> import nipype.interfaces.fsl as fsl
     >>> rand = fsl.Randomise(in_file='allFA.nii', mask = 'mask.nii', tcon='design.con', design_mat='design.mat')
     >>> rand.cmdline
-    'randomise -i allFA.nii -o "tbss_" -d design.mat -t design.con -m mask.nii'
+    'randomise -i allFA.nii -o "randomise" -d design.mat -t design.con -m mask.nii'
 
     """
 
diff --git a/nipype/interfaces/fsl/tests/test_auto_Randomise.py b/nipype/interfaces/fsl/tests/test_auto_Randomise.py
index bcf65a0419..432455e4a8 100644
--- a/nipype/interfaces/fsl/tests/test_auto_Randomise.py
+++ b/nipype/interfaces/fsl/tests/test_auto_Randomise.py
@@ -10,9 +10,9 @@ def test_Randomise_inputs():
     position=1,
     usedefault=True,
     ),
-    c_thresh=dict(argstr='-c %.2f',
+    c_thresh=dict(argstr='-c %.1f',
     ),
-    cm_thresh=dict(argstr='-C %.2f',
+    cm_thresh=dict(argstr='-C %.1f',
     ),
     demean=dict(argstr='-D',
     ),