diff --git a/coffee/chosen.jquery.coffee b/coffee/chosen.jquery.coffee
index a8ba80d528a..ae576c41266 100644
--- a/coffee/chosen.jquery.coffee
+++ b/coffee/chosen.jquery.coffee
@@ -500,9 +500,8 @@ class Chosen extends AbstractChosen
     width = div.width() + 25
     div.remove()
 
-    container_width = @container.outerWidth()
-
-    width = Math.min(container_width - 10, width)
+    if container_width = @container.outerWidth()
+      width = Math.min(container_width - 10, width)
 
     @search_field.width(width)
 
diff --git a/coffee/chosen.proto.coffee b/coffee/chosen.proto.coffee
index 5aedd76018d..2090405db79 100644
--- a/coffee/chosen.proto.coffee
+++ b/coffee/chosen.proto.coffee
@@ -505,9 +505,8 @@ class @Chosen extends AbstractChosen
     width = div.measure('width') + 25
     div.remove()
 
-    container_width = @container.getWidth()
-
-    width = Math.min(container_width - 10, width)
+    if container_width = @container.getWidth()
+      width = Math.min(container_width - 10, width)
 
     @search_field.setStyle(width: width + 'px')