diff --git a/Source/WebCore/accessibility/atk/WebKitAccessibleWrapperAtk.cpp b/Source/WebCore/accessibility/atk/WebKitAccessibleWrapperAtk.cpp
index 10d2e0f..4a7a50e 100644
--- a/Source/WebCore/accessibility/atk/WebKitAccessibleWrapperAtk.cpp
+++ b/Source/WebCore/accessibility/atk/WebKitAccessibleWrapperAtk.cpp
@@ -600,7 +600,7 @@
     case SplitGroupRole:
         return ATK_ROLE_SPLIT_PANE;
     case SplitterRole:
-        return ATK_ROLE_UNKNOWN;
+        return ATK_ROLE_SEPARATOR;
     case ColorWellRole:
         return ATK_ROLE_COLOR_CHOOSER;
     case ListRole: