diff --git a/suite/themes/modern/global/autocomplete.css b/suite/themes/modern/global/autocomplete.css
index 78755a7047c..2215b212038 100644
--- a/suite/themes/modern/global/autocomplete.css
+++ b/suite/themes/modern/global/autocomplete.css
@@ -56,6 +56,7 @@ textbox[type="autocomplete"] {
 
 .autocomplete-history-dropmarker {
   margin: 2px;
+  -moz-box-align: center;
   list-style-image: url("chrome://global/skin/arrow/arrow-dn.gif");
 }
 
diff --git a/suite/themes/modern/navigator/navigator.css b/suite/themes/modern/navigator/navigator.css
index 80f10ee2e50..04f0fc67a0a 100644
--- a/suite/themes/modern/navigator/navigator.css
+++ b/suite/themes/modern/navigator/navigator.css
@@ -373,7 +373,6 @@
   -moz-border-right-colors: #D2DAE1 #000000 #768C9F;
   -moz-border-bottom-colors: #D2DAE1 #000000 #768C9F;
   -moz-border-left-colors: #A5ACB5 #000000 #A7BACA;
-  -moz-box-align: center;
   background: url("chrome://navigator/skin/toolbar/urlbar-mid.gif") #EDF5F7 bottom repeat-x;
 }