diff --git a/Source/ASTextNode2.mm b/Source/ASTextNode2.mm
index 48ff3c4bb..2610f9803 100644
--- a/Source/ASTextNode2.mm
+++ b/Source/ASTextNode2.mm
@@ -415,6 +415,9 @@ + (ASTextLayout *)compatibleLayoutWithContainer:(ASTextContainer *)container
       if (!CGRectContainsRect(maxRect, containerBounds)) {
         continue;
       }
+      if (!CGSizeEqualToSize(container.size, constrainedSize)) {
+        continue;
+      }
       
       // Now check container params.
       ASTextContainer *otherContainer = layout.container;