diff --git a/AsyncDisplayKit/Layout/ASStackLayoutSpec.mm b/AsyncDisplayKit/Layout/ASStackLayoutSpec.mm
index 265e8127..0b74a163 100644
--- a/AsyncDisplayKit/Layout/ASStackLayoutSpec.mm
+++ b/AsyncDisplayKit/Layout/ASStackLayoutSpec.mm
@@ -24,7 +24,7 @@
 
 - (instancetype)init
 {
-  return [self initWithDirection:ASStackLayoutDirectionHorizontal spacing:0.0 justifyContent:ASStackLayoutJustifyContentStart alignItems:ASStackLayoutAlignItemsStart children:nil];
+  return [self initWithDirection:ASStackLayoutDirectionHorizontal spacing:0.0 justifyContent:ASStackLayoutJustifyContentStart alignItems:ASStackLayoutAlignItemsStretch children:nil];
 }
 
 + (instancetype)stackLayoutSpecWithDirection:(ASStackLayoutDirection)direction spacing:(CGFloat)spacing justifyContent:(ASStackLayoutJustifyContent)justifyContent alignItems:(ASStackLayoutAlignItems)alignItems children:(NSArray *)children