--- a/mobile/android/base/Tabs.java
+++ b/mobile/android/base/Tabs.java
@@ -283,17 +283,19 @@ public class Tabs implements GeckoEventL
                 GeckoApp.mAppContext.processThumbnail(tab, null, compressed);
             }
         } catch (Exception e) { 
             Log.i(LOGTAG, "handleMessage throws " + e + " for message: " + event);
         }
     }
 
     public void refreshThumbnails() {
-        GeckoAppShell.getHandler().post(new Runnable() {
-            public void run() {
-                Iterator<Tab> iterator = tabs.values().iterator();
-                while (iterator.hasNext())
-                    GeckoApp.mAppContext.getAndProcessThumbnailForTab(iterator.next());
-            }
-        });
+        Iterator<Tab> iterator = tabs.values().iterator();
+        while (iterator.hasNext()) {
+            final Tab tab = iterator.next();
+            GeckoAppShell.getHandler().post(new Runnable() {
+                public void run() {
+                    GeckoApp.mAppContext.getAndProcessThumbnailForTab(tab);
+                }
+            });
+        }
     }
 }