diff --git a/src/FSharp.Collections.Immutable/immutable-list.fs b/src/FSharp.Collections.Immutable/immutable-list.fs
index 7586d64..6564013 100644
--- a/src/FSharp.Collections.Immutable/immutable-list.fs
+++ b/src/FSharp.Collections.Immutable/immutable-list.fs
@@ -21,6 +21,7 @@ module ImmutableList =
     let inline ofList (list : _ list) = ofSeq list
 
     let inline toSeq (list : ImmutableList<_>) = list :> seq<_>
+    let inline toList (list : ImmutableList<_>) = check list; Seq.toList list
     let inline toArray (list : ImmutableList<_>) = check list; Seq.toArray list
 
     ////////// Building //////////