diff --git a/compiler/src/dotty/tools/dotc/interactive/Completion.scala b/compiler/src/dotty/tools/dotc/interactive/Completion.scala
index 7a808aafb481..68cc0b37fd56 100644
--- a/compiler/src/dotty/tools/dotc/interactive/Completion.scala
+++ b/compiler/src/dotty/tools/dotc/interactive/Completion.scala
@@ -114,11 +114,12 @@ object Completion {
     val completions = path match {
         // Ignore synthetic select from `This` because in code it was `Ident`
         // See example in dotty.tools.languageserver.CompletionTest.syntheticThis
-        case Select(qual @ This(_), _) :: _ if qual.span.isSynthetic => completer.scopeCompletions
-        case Select(qual, _) :: _                                    => completer.selectionCompletions(qual)
-        case Import(expr, _) :: _                                    => completer.directMemberCompletions(expr)
-        case (_: untpd.ImportSelector) :: Import(expr, _) :: _       => completer.directMemberCompletions(expr)
-        case _                                                       => completer.scopeCompletions
+        case Select(qual @ This(_), _) :: _ if qual.span.isSynthetic  => completer.scopeCompletions
+        case Select(qual, _) :: _           if qual.tpe.hasSimpleKind => completer.selectionCompletions(qual)
+        case Select(qual, _) :: _                                     => Map.empty
+        case Import(expr, _) :: _                                     => completer.directMemberCompletions(expr)
+        case (_: untpd.ImportSelector) :: Import(expr, _) :: _        => completer.directMemberCompletions(expr)
+        case _                                                        => completer.scopeCompletions
       }
 
     val describedCompletions = describeCompletions(completions)
diff --git a/compiler/test/dotty/tools/dotc/interactive/CustomCompletionTests.scala b/compiler/test/dotty/tools/dotc/interactive/CustomCompletionTests.scala
index ddd44ea7daf0..ccf211136d51 100644
--- a/compiler/test/dotty/tools/dotc/interactive/CustomCompletionTests.scala
+++ b/compiler/test/dotty/tools/dotc/interactive/CustomCompletionTests.scala
@@ -169,3 +169,4 @@ class CustomCompletionTests extends DottyTest:
 
       assert(offset == prefix.length)
       assert(labels.contains("scala.Function2"))
+
diff --git a/language-server/test/dotty/tools/languageserver/CompletionTest.scala b/language-server/test/dotty/tools/languageserver/CompletionTest.scala
index ebeff2f44a29..7e71c0a4c2b1 100644
--- a/language-server/test/dotty/tools/languageserver/CompletionTest.scala
+++ b/language-server/test/dotty/tools/languageserver/CompletionTest.scala
@@ -887,4 +887,12 @@ class CompletionTest {
           )
         )
   }
+
+  @Test def i12465_hkt: Unit =
+    code"""???.asInstanceOf[scala.collection.Seq].${m1}""".withSource
+      .completion(m1, Set())
+
+  @Test def i12465_hkt_alias: Unit =
+    code"""???.asInstanceOf[Seq].${m1}""".withSource
+      .completion(m1, Set())
 }