diff --git a/AsyncDisplayKit/ASCollectionView.mm b/AsyncDisplayKit/ASCollectionView.mm
index fb6e47ff63..48621da9ae 100644
--- a/AsyncDisplayKit/ASCollectionView.mm
+++ b/AsyncDisplayKit/ASCollectionView.mm
@@ -598,16 +598,16 @@ static NSString * const kCellReuseIdentifier = @"_ASCollectionViewCell";
   ASScrollDirection scrollableDirections = [self scrollableDirections];
   
   if (ASScrollDirectionContainsHorizontalDirection(scrollableDirections)) { // Can scroll horizontally.
-    if (scrollVelocity.x > 0) {
+    if (scrollVelocity.x < 0.0) {
       direction |= ASScrollDirectionRight;
-    } else if (scrollVelocity.x < 0) {
+    } else if (scrollVelocity.x > 0.0) {
       direction |= ASScrollDirectionLeft;
     }
   }
   if (ASScrollDirectionContainsVerticalDirection(scrollableDirections)) { // Can scroll vertically.
-    if (scrollVelocity.y > 0) {
+    if (scrollVelocity.y < 0.0) {
       direction |= ASScrollDirectionDown;
-    } else if (scrollVelocity.y < 0) {
+    } else if (scrollVelocity.y > 0.0) {
       direction |= ASScrollDirectionUp;
     }
   }
diff --git a/AsyncDisplayKit/ASTableView.mm b/AsyncDisplayKit/ASTableView.mm
index 31647b4b21..ce53236dee 100644
--- a/AsyncDisplayKit/ASTableView.mm
+++ b/AsyncDisplayKit/ASTableView.mm
@@ -592,9 +592,9 @@ static NSString * const kCellReuseIdentifier = @"_ASTableViewCell";
 - (ASScrollDirection)_scrollDirectionForVelocity:(CGPoint)velocity
 {
   ASScrollDirection direction = ASScrollDirectionNone;
-  if (velocity.y > 0) {
+  if (velocity.y < 0.0) {
     direction = ASScrollDirectionDown;
-  } else if (velocity.y < 0) {
+  } else if (velocity.y > 0.0) {
     direction = ASScrollDirectionUp;
   }
   return direction;