--- a/core/fileprinter.cpp
+++ b/core/fileprinter.cpp
@@ -416,7 +416,7 @@ QStringList FilePrinter::jobname(QPrinte
         }
 
         if (version.startsWith(QLatin1String("lpr"))) {
-            const QString shortenedDocName = QString::fromUtf8(printer.docName().toUtf8().left(255));
+            const QString shortenedDocName = QString::fromUtf8(printer.docName().toUtf8().left(79));
             return QStringList(QStringLiteral("-J")) << shortenedDocName;
         }
     }