diff --git a/layout/reftests/bugs/302379-ref.html b/layout/reftests/bugs/302379-ref.html
new file mode 100644
index 000000000000..a6a38c6dcdbe
--- /dev/null
+++ b/layout/reftests/bugs/302379-ref.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html><head><title></title></head>
+<body>
+<table width="400">
+<tbody><tr> 
+<td> 
+<font><b>
+long string long string long string long string long string long string long string long string
+<select id="sel">
+<option value="b">short string</option>
+<option value="a">long string long string long string long string</option>
+</select>
+</b></font>
+</td>
+</tr>
+</tbody></table>
+</body></html>
diff --git a/layout/reftests/bugs/302379.html b/layout/reftests/bugs/302379.html
new file mode 100644
index 000000000000..6a1a091583eb
--- /dev/null
+++ b/layout/reftests/bugs/302379.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html class="reftest-wait"><head><title></title></head>
+<body onload="document.documentElement.className='';">
+<table width="400">
+<tbody><tr> 
+<td> 
+<font><b>
+long string long string long string long string long string long string long string long string
+<select id="sel">
+<option value="a">long string long string long string long string</option>
+<option value="b">short string</option>
+</select>
+</b></font>
+</td>
+</tr>
+</tbody></table>
+<script>
+sel = document.getElementById('sel');
+sel.selectedIndex=1;
+</script>
+</body></html>
diff --git a/layout/reftests/bugs/reftest.list b/layout/reftests/bugs/reftest.list
index f5403cfb3968..5fd210b01c9c 100644
--- a/layout/reftests/bugs/reftest.list
+++ b/layout/reftests/bugs/reftest.list
@@ -223,6 +223,7 @@ fails-if(MOZ_WIDGET_TOOLKIT!="cocoa") HTTP == 289480.html#top 289480-ref.html #
 == 300691-1f.html 300691-1-ref.html
 == 301726-1.html 301726-1-ref.html
 != 301726-2.html 301726-2-ref.html
+== 302379.html 302379-ref.html
 == 306630-1.html 306630-1-ref.html
 == 306660-1.html 306660-1-ref.html
 == 306660-2.html 306660-2-ref.html
