diff --git a/src/renderer.typ b/src/renderer.typ
index 532cbd4..6b63948 100644
--- a/src/renderer.typ
+++ b/src/renderer.typ
@@ -392,7 +392,7 @@
     range-boundaries.push(start-i)
     range-boundaries.push(end-i)
   }
-  range-boundaries.dedup()
+  range-boundaries = range-boundaries.dedup()
 
   // Draw colors
   for i in range(struct.bits) {