diff --git a/AK/DisjointChunks.h b/AK/DisjointChunks.h
index 181ab1b88a..9d7d5588b9 100644
--- a/AK/DisjointChunks.h
+++ b/AK/DisjointChunks.h
@@ -393,3 +393,4 @@ private:
 }
 
 using AK::DisjointChunks;
+using AK::DisjointSpans;