diff --git a/compiler/src/dotty/tools/dotc/typer/Namer.scala b/compiler/src/dotty/tools/dotc/typer/Namer.scala
index 7dd741666cdb..6976de7225ba 100644
--- a/compiler/src/dotty/tools/dotc/typer/Namer.scala
+++ b/compiler/src/dotty/tools/dotc/typer/Namer.scala
@@ -909,9 +909,9 @@ class Namer { typer: Typer =>
       // the parent types are elaborated.
       index(constr)
       annotate(constr :: params)
-      symbolOfTree(constr).ensureCompleted()
 
       indexAndAnnotate(rest)(inClassContext(selfInfo))
+      symbolOfTree(constr).ensureCompleted()
 
       val parentTypes = ensureFirstIsClass(parents.map(checkedParentType(_)))
       val parentRefs = ctx.normalizeToClassRefs(parentTypes, cls, decls)
diff --git a/tests/pos/i2949.scala b/tests/pos/i2949.scala
new file mode 100644
index 000000000000..bd493d46ec47
--- /dev/null
+++ b/tests/pos/i2949.scala
@@ -0,0 +1,3 @@
+class Foo(a: Foo#A) {
+  type A = Int
+}