diff --git a/layout/style/CounterStyleManager.cpp b/layout/style/CounterStyleManager.cpp
index 2a4018f8d50d..3b54acdf0b63 100644
--- a/layout/style/CounterStyleManager.cpp
+++ b/layout/style/CounterStyleManager.cpp
@@ -636,6 +636,7 @@ BuiltinCounterStyle::GetSuffix(nsSubstring& aResult)
     case NS_STYLE_LIST_STYLE_SQUARE:
     case NS_STYLE_LIST_STYLE_DISCLOSURE_CLOSED:
     case NS_STYLE_LIST_STYLE_DISCLOSURE_OPEN:
+    case NS_STYLE_LIST_STYLE_ETHIOPIC_NUMERIC:
       aResult = ' ';
       break;