diff --git a/compiler/src/dotty/tools/dotc/tastyreflect/TastyImpl.scala b/compiler/src/dotty/tools/dotc/tastyreflect/TastyImpl.scala
index 27e1e849b9d4..048198359ae2 100644
--- a/compiler/src/dotty/tools/dotc/tastyreflect/TastyImpl.scala
+++ b/compiler/src/dotty/tools/dotc/tastyreflect/TastyImpl.scala
@@ -587,10 +587,14 @@ class TastyImpl(val rootContext: Contexts.Context) extends scala.tasty.Tasty { s
 
     object Unapply extends UnapplyExtractor {
       def unapply(x: Pattern)(implicit ctx: Context): Option[(Term, List[Term], List[Pattern])] = x match {
-        case Trees.UnApply(fun, implicits, patterns) => Some((fun, implicits, patterns))
-        case Trees.Typed(Trees.UnApply(fun, implicits, patterns), _) => Some((fun, implicits, patterns))
+        case Trees.UnApply(fun, implicits, patterns) => Some((fun, implicits, effectivePatterns(patterns)))
+        case Trees.Typed(Trees.UnApply(fun, implicits, patterns), _) => Some((fun, implicits, effectivePatterns(patterns)))
         case _ => None
       }
+      private def effectivePatterns(patterns: List[Pattern]): List[Pattern] = patterns match {
+        case patterns0 :+ Trees.SeqLiteral(elems, _) => patterns0 ::: elems
+        case _ => patterns
+      }
     }
 
     object Alternative extends AlternativeExtractor {
diff --git a/compiler/test/dotc/run-decompilation.blacklist b/compiler/test/dotc/run-decompilation.blacklist
index 053324373841..07f14e74001f 100644
--- a/compiler/test/dotc/run-decompilation.blacklist
+++ b/compiler/test/dotc/run-decompilation.blacklist
@@ -1,9 +1,2 @@
-# scala.MatchError: SeqLiteral in pattern
-i3248.scala
-t6541.scala
-
 # Stackoverflow
 t10594.scala
-
-i4557.scala
-i4557a.scala