diff --git a/mobile/chrome/content/browser.xul b/mobile/chrome/content/browser.xul
index 3516058594cc..e65c30fc4f89 100644
--- a/mobile/chrome/content/browser.xul
+++ b/mobile/chrome/content/browser.xul
@@ -461,8 +461,8 @@
     </vbox>
 
     <!-- options dialog for select form field -->
-    <vbox id="select-container" hidden="true">
-      <vbox id="select-container-inner" class="dialog-dark" flex="1">
+    <vbox id="select-container" hidden="true" pack="center">
+      <vbox id="select-container-inner" class="dialog-dark">
         <scrollbox id="select-list" flex="1" orient="vertical"/>
         <hbox id="select-buttons" pack="center">
           <button id="select-buttons-done" class="button-dark" label="&formHelper.done;" oncommand="SelectHelper.close();"/>
diff --git a/mobile/themes/hildon/browser.css b/mobile/themes/hildon/browser.css
index eb427ecb4489..d80d836c114c 100644
--- a/mobile/themes/hildon/browser.css
+++ b/mobile/themes/hildon/browser.css
@@ -1016,6 +1016,7 @@ pageaction .pageaction-desc[value=""] {
   -moz-border-radius-bottomright: 0;
   -moz-border-radius-bottomleft: 0;
   padding: 8px 4px 8px 4px;
+  -moz-box-flex: 1;
 }
 
 #form-helper-container > #select-container > #select-container-inner,
@@ -1100,6 +1101,7 @@ pageaction .pageaction-desc[value=""] {
   padding: 5px;
   border-bottom: 1px solid rgb(207,207,207);
   min-height: 70px; /* row size */
+  max-height: 70px; /* row size */
   -moz-box-align: center;
 }
 
diff --git a/mobile/themes/wince/browser.css b/mobile/themes/wince/browser.css
index c39890549f78..df297020640b 100644
--- a/mobile/themes/wince/browser.css
+++ b/mobile/themes/wince/browser.css
@@ -694,6 +694,7 @@ pageaction .pageaction-desc[value=""] {
   -moz-border-radius-bottomleft: 0;
   padding: 0.75mm 0.25mm 0.75mm 0.25mm;
   border-bottom: 0;
+  -moz-box-flex: 1;
 }
 
 #form-helper-container > #select-container > #select-container-inner,
@@ -778,6 +779,7 @@ pageaction .pageaction-desc[value=""] {
   padding: 5px;
   border-bottom: 1px solid rgb(207,207,207);
   min-height: 7.2mm; /* row size */
+  max-height: 7.2mm; /* row size */
   -moz-box-align: center;
 }