diff --git a/nipype/interfaces/afni/preprocess.py b/nipype/interfaces/afni/preprocess.py
index 4b54c371d5..fecc305cf6 100644
--- a/nipype/interfaces/afni/preprocess.py
+++ b/nipype/interfaces/afni/preprocess.py
@@ -2020,10 +2020,10 @@ class ROIStatsInputSpec(CommandLineInputSpec):
                         argstr='-quiet',
                         position=1)
 
-    terminal_output = traits.Enum('allatonce',
+    terminal_output = traits.Enum('file',
                                   desc=('Control terminal output:'
-                                        '`allatonce` - waits till command is '
-                                        'finished to display output'),
+                                        '`file` - saves ouptup into '
+                                        'a file'),
                                   nohash=True, mandatory=True, usedefault=True)