diff --git a/project/ScaladocGeneration.scala b/project/ScaladocGeneration.scala
index bce20b23ec37..cd32a4e80194 100644
--- a/project/ScaladocGeneration.scala
+++ b/project/ScaladocGeneration.scala
@@ -13,7 +13,7 @@ object ScaladocGeneration {
       value match {
         case s: String => s"$key ${escape(s)}"
         case true => s"$key"
-        case list: List[String] => s"$key:${list.map(escape).mkString(",")}"
+        case list: List[String @unchecked] => s"$key:${list.map(escape).mkString(",")}"
         case _ =>
           println(s"Unsupported setting: $key -> $value")
           ""
@@ -178,4 +178,4 @@ object ScaladocGeneration {
     }
   }
 
-}
\ No newline at end of file
+}