diff --git a/compiler/src/dotty/tools/dotc/core/classfile/ClassfileParser.scala b/compiler/src/dotty/tools/dotc/core/classfile/ClassfileParser.scala
index 49459ac9f0e3..f9147b523ac5 100644
--- a/compiler/src/dotty/tools/dotc/core/classfile/ClassfileParser.scala
+++ b/compiler/src/dotty/tools/dotc/core/classfile/ClassfileParser.scala
@@ -838,7 +838,7 @@ class ClassfileParser(
             val expectedUUID = new UUID(reader.readUncompressedLong(), reader.readUncompressedLong())
             val tastyUUID = new TastyHeaderUnpickler(tastyBytes).readHeader()
             if (expectedUUID != tastyUUID)
-              ctx.error(s"Tasty UUID ($tastyUUID) file did not correspond the tasty UUID declared in the classfile ($expectedUUID).")
+              ctx.error(s"Tasty UUID ($tastyUUID) file did not correspond the tasty UUID ($expectedUUID) declared in the classfile $classfile.")
             return unpickleTASTY(tastyBytes)
           }
         }