diff --git a/src/Lean/Elab/Match.lean b/src/Lean/Elab/Match.lean
index b31353c4ed..61da709e1a 100644
--- a/src/Lean/Elab/Match.lean
+++ b/src/Lean/Elab/Match.lean
@@ -1012,6 +1012,7 @@ register_builtin_option match.ignoreUnusedAlts : Bool := {
 def reportMatcherResultErrors (altLHSS : List AltLHS) (result : MatcherResult) : TermElabM Unit := do
   unless result.counterExamples.isEmpty do
     withHeadRefOnly <| logError m!"missing cases:\n{Meta.Match.counterExamplesToMessageData result.counterExamples}"
+    return ()
   unless match.ignoreUnusedAlts.get (← getOptions) || result.unusedAltIdxs.isEmpty do
     let mut i := 0
     for alt in altLHSS do