diff --git a/src/transform.rs b/src/transform.rs
index 284d647..8219a5a 100644
--- a/src/transform.rs
+++ b/src/transform.rs
@@ -104,7 +104,7 @@ impl<P: EuclideanSpace, R: Rotation<P>> Transform<P> for Decomposed<P::Diff, R>
         Decomposed {
             scale: self.scale * other.scale,
             rot: self.rot * other.rot,
-            disp: self.disp + other.disp,
+            disp: self.rot.rotate_vector(other.disp * self.scale) + self.disp,
         }
     }