diff --git a/features/infinite_scroll.feature b/features/infinite_scroll.feature
index da2884b0c..8ed79b90a 100644
--- a/features/infinite_scroll.feature
+++ b/features/infinite_scroll.feature
@@ -6,7 +6,8 @@ Feature: infinite scroll
     
     Background:
       Given many posts from alice for bob
-      When I sign in as "bob@bob.bob"
+      And I resize my window to 800x600
+      And I sign in as "bob@bob.bob"
 
     Scenario: on the main stream by activity
       Then I should see 15 posts
diff --git a/features/step_definitions/custom_web_steps.rb b/features/step_definitions/custom_web_steps.rb
index 5b23c1ed8..9bdd48459 100644
--- a/features/step_definitions/custom_web_steps.rb
+++ b/features/step_definitions/custom_web_steps.rb
@@ -180,3 +180,9 @@ end
 Then /^the notification dropdown should be visible$/ do
   find(:css, "#notification_dropdown").should be_visible
 end
+
+When /^I resize my window to 800x600$/ do
+  page.execute_script <<-JS
+    window.resizeTo(800,600);
+  JS
+end
\ No newline at end of file