diff --git a/src/Nri/Ui/SegmentedControl/V11.elm b/src/Nri/Ui/SegmentedControl/V11.elm
index 3d94c67c..b1fa5f68 100644
--- a/src/Nri/Ui/SegmentedControl/V11.elm
+++ b/src/Nri/Ui/SegmentedControl/V11.elm
@@ -29,6 +29,7 @@ import EventExtras
 import Html.Styled
 import Html.Styled.Attributes as Attributes exposing (css, href)
 import Html.Styled.Events as Events
+import Json.Encode as Encode
 import Nri.Ui
 import Nri.Ui.Colors.Extra exposing (withAlpha)
 import Nri.Ui.Colors.V1 as Colors
@@ -96,7 +97,13 @@ viewRadioGroup config =
                 (radio name (config.toString option.value) isSelected <|
                     (Events.onCheck (\_ -> config.onSelect option.value)
                         :: css [ Css.opacity Css.zero ]
-                        :: Attributes.checked isSelected
+                        :: Attributes.attribute "data-nri-checked"
+                            (if isSelected then
+                                "true"
+
+                             else
+                                "false"
+                            )
                         :: Style.invisible
                     )
                 )
diff --git a/tests/Spec/Nri/Ui/SegmentedControl.elm b/tests/Spec/Nri/Ui/SegmentedControl.elm
index 877171d8..90b06725 100644
--- a/tests/Spec/Nri/Ui/SegmentedControl.elm
+++ b/tests/Spec/Nri/Ui/SegmentedControl.elm
@@ -54,7 +54,7 @@ spec =
                                 , Selector.containing
                                     [ Selector.tag "input"
                                     , Selector.attribute (Attributes.type_ "radio")
-                                    , Selector.attribute (Attributes.checked True)
+                                    , Selector.attribute (Attributes.attribute "data-nri-checked" "true")
                                     ]
                                 ]
                             ]
@@ -69,7 +69,7 @@ spec =
                                 , Selector.containing
                                     [ Selector.tag "input"
                                     , Selector.attribute (Attributes.type_ "radio")
-                                    , Selector.attribute (Attributes.checked False)
+                                    , Selector.attribute (Attributes.attribute "data-nri-checked" "false")
                                     ]
                                 ]
                             ]