diff --git a/accessible/src/base/nsAccessible.cpp b/accessible/src/base/nsAccessible.cpp
index 20288d60c3e..53b7d7f6d1f 100644
--- a/accessible/src/base/nsAccessible.cpp
+++ b/accessible/src/base/nsAccessible.cpp
@@ -1784,7 +1784,7 @@ nsRoleMapEntry nsAccessible::gWAIRoleMap[] =
             {"selected", BOOL_STATE, STATE_SELECTED | STATE_SELECTABLE},
             {"selected", "false", STATE_SELECTABLE},
             {"readonly", BOOL_STATE, STATE_READONLY}, END_ENTRY},
-  {"combobox", ROLE_COMBOBOX, eNameLabelOrTitle, eNoValue, eNoReqStates,
+  {"combobox", ROLE_COMBOBOX, eNameLabelOrTitle, eHasValueMinMax, eNoReqStates,
             {"readonly", BOOL_STATE, STATE_READONLY},
             {"multiselect", BOOL_STATE, STATE_MULTISELECTABLE | STATE_EXTSELECTABLE}, END_ENTRY},
   {"description", ROLE_TEXT_CONTAINER, eNameOkFromChildren, eNoValue, eNoReqStates, END_ENTRY},