diff --git a/compiler/src/dotty/tools/dotc/typer/Namer.scala b/compiler/src/dotty/tools/dotc/typer/Namer.scala
index 8e2aaff28676..9d17379e66f5 100644
--- a/compiler/src/dotty/tools/dotc/typer/Namer.scala
+++ b/compiler/src/dotty/tools/dotc/typer/Namer.scala
@@ -1129,6 +1129,7 @@ class Namer { typer: Typer =>
                 ctx.newSymbol(cls, forwarderName, mbrFlags, mbrInfo, coord = span)
               }
             forwarder.info = avoidPrivateLeaks(forwarder)
+            forwarder.addAnnotations(sym.annotations)
             val forwarderDef =
               if (forwarder.isType) tpd.TypeDef(forwarder.asType)
               else {
diff --git a/tests/run/i9155.scala b/tests/run/i9155.scala
new file mode 100644
index 000000000000..0ef470258855
--- /dev/null
+++ b/tests/run/i9155.scala
@@ -0,0 +1,9 @@
+object Foo:
+  @scala.annotation.alpha("w") def \/\/ = "W"
+
+object Bar:
+  export Foo._
+
+@main def Test =
+  assert(Foo.getClass.getMethods.exists(_.getName == "w"))
+  assert(Bar.getClass.getMethods.exists(_.getName == "w"))