diff --git a/compiler/src/dotty/tools/dotc/core/Definitions.scala b/compiler/src/dotty/tools/dotc/core/Definitions.scala
index 1268bdfde6ce..04c1ba81b08e 100644
--- a/compiler/src/dotty/tools/dotc/core/Definitions.scala
+++ b/compiler/src/dotty/tools/dotc/core/Definitions.scala
@@ -749,7 +749,7 @@ class Definitions {
     lazy val NonEmptyTuple_tail: Symbol = NonEmptyTupleClass.requiredMethod("tail")
 
   @tu lazy val PairClass: ClassSymbol = ctx.requiredClass("scala.*:")
-  @tu lazy val TupleXXLClass: ClassSymbol = ctx.requiredClass("scala.TupleXXL")
+  @tu lazy val TupleXXLClass: ClassSymbol = ctx.requiredClass("scala.runtime.TupleXXL")
   def TupleXXLModule(implicit ctx: Context): Symbol = TupleXXLClass.companionModule
 
     def TupleXXL_fromIterator(implicit ctx: Context): Symbol = TupleXXLModule.requiredMethod("fromIterator")
diff --git a/library/src/scala/internal/TupledFunction.scala b/library/src/scala/internal/TupledFunction.scala
index 7ea2030fb5c5..c31a6afd72d9 100644
--- a/library/src/scala/internal/TupledFunction.scala
+++ b/library/src/scala/internal/TupledFunction.scala
@@ -1,6 +1,8 @@
 package scala
 package internal
 
+import scala.runtime.TupleXXL
+
 object TupledFunction {
 
   def tupledFunction0[F, G]: TupledFunction[F, G] = scala.TupledFunction[F, G](
diff --git a/library/src/scala/TupleXXL.scala b/library/src/scala/runtime/TupleXXL.scala
similarity index 98%
rename from library/src/scala/TupleXXL.scala
rename to library/src/scala/runtime/TupleXXL.scala
index 1122c8e8277c..c4d52ebcf57b 100644
--- a/library/src/scala/TupleXXL.scala
+++ b/library/src/scala/runtime/TupleXXL.scala
@@ -1,4 +1,4 @@
-package scala
+package scala.runtime
 import java.util.Arrays.{deepEquals, deepHashCode}
 
 final class TupleXXL private (es: IArray[Object]) extends Product {
diff --git a/tests/run-staging/staged-tuples/StagedTuple.scala b/tests/run-staging/staged-tuples/StagedTuple.scala
index 7455af47ea5e..477f6a65a235 100644
--- a/tests/run-staging/staged-tuples/StagedTuple.scala
+++ b/tests/run-staging/staged-tuples/StagedTuple.scala
@@ -2,6 +2,8 @@ package scala.internal
 
 import scala.quoted._
 
+import scala.runtime.TupleXXL
+
 object StagedTuple {
   import Tuple.Concat
   import Tuple.Head