diff --git a/akka-actor-tests/src/test/scala-3/akka/util/LineNumberSpec.scala b/akka-actor-tests/src/test/scala-3/akka/util/LineNumberSpec.scala
index b47d9934f0..35a1e167a9 100644
--- a/akka-actor-tests/src/test/scala-3/akka/util/LineNumberSpec.scala
+++ b/akka-actor-tests/src/test/scala-3/akka/util/LineNumberSpec.scala
@@ -24,7 +24,7 @@ class LineNumberSpec extends AkkaSpec {
       }
 
       "work for partial functions" in {
-        LineNumbers(partial) should ===(SourceFileLines("LineNumberSpecCodeForScala.scala", 21, 22))
+        LineNumbers(partial) should ===(SourceFileLines("LineNumberSpecCodeForScala.scala", 20, 22))
       }
 
       "work for `def`" in {