--- a/layout/forms/test/test_bug348236.html
+++ b/layout/forms/test/test_bug348236.html
@@ -59,17 +59,17 @@ addLoadEvent(function test() {
         eSelect.onchangeCount = 0
 
         // Drop the SELECT down.
         keypressOnSelect(key, modifiers)
         // This timeout and the following are necessary to let the sent events take effect.
         setTimeout(cont1, timeout)
         function cont1() {
             // Move the mouse over option 3 (90 = 3 (rows) * 24 (row height) + 18).
-            WinUtils.sendMouseEvent("mousemove", 355, 90, 0, 0, 0, true)
+            WinUtils.sendMouseEvent("mousemove", 355, 92, 0, 0, 0, true)
             setTimeout(cont2, timeout)
         }
         function cont2() {
             // Close the select.
             keypressOnSelect(key, modifiers)
             setTimeout(cont3, timeout)
         }
         function cont3() {