diff --git a/src/components/scroll-region.cjsx b/src/components/scroll-region.cjsx
index 8807576c0..d44b8050a 100644
--- a/src/components/scroll-region.cjsx
+++ b/src/components/scroll-region.cjsx
@@ -210,7 +210,7 @@ class ScrollRegion extends React.Component
   scrollToRect: (rect, {position, settle, done} = {}) ->
     if rect instanceof Node
       throw new Error("ScrollRegion.scrollToRect: requires a rect. Maybe you meant scrollTo?")
-    if not rect.top or not rect.height
+    if not rect.top? or not rect.height?
       throw new Error("ScrollRegion.scrollToRect: requires a rect with `top` and `height` attributes.")
     @_scroll {position, settle, done}, => rect