diff --git a/internal/report.go b/internal/report.go
index 0000959..e127f23 100644
--- a/internal/report.go
+++ b/internal/report.go
@@ -128,7 +128,7 @@ func BuildReport(ctx context.Context, reader RecordReader, writer ReportWriter,
 			}
 
 			if !rec.Kind().Valid() {
-				return fmt.Errorf("cannot process Kind(%d)", rec.Kind())
+				return fmt.Errorf("found invalid Kind(%d)", rec.Kind())
 			}
 
 			lastTimestamp = rec.Timestamp()