diff --git a/nipype/interfaces/ants/tests/test_auto_AI.py b/nipype/interfaces/ants/tests/test_auto_AI.py
index fa4cb42916..bef56b7ee6 100644
--- a/nipype/interfaces/ants/tests/test_auto_AI.py
+++ b/nipype/interfaces/ants/tests/test_auto_AI.py
@@ -59,6 +59,7 @@ def test_AI_inputs():
         ),
         search_grid=dict(
             argstr="-g %s",
+            min_ver="2.3.0",
         ),
         transform=dict(
             argstr="-t %s[%g]",
diff --git a/nipype/interfaces/ants/utils.py b/nipype/interfaces/ants/utils.py
index a6fdc5cf00..8770158736 100644
--- a/nipype/interfaces/ants/utils.py
+++ b/nipype/interfaces/ants/utils.py
@@ -394,6 +394,7 @@ class AIInputSpec(ANTSCommandInputSpec):
         traits.Tuple(traits.Float, traits.Tuple(traits.Float, traits.Float)),
         argstr="-g %s",
         desc="Translation search grid in mm",
+        min_ver="2.3.0",
     )
 
     convergence = traits.Tuple(