diff --git a/worker.cpp b/worker.cpp
index 3f8582f..c787c05 100644
--- a/worker.cpp
+++ b/worker.cpp
@@ -850,7 +850,7 @@ bool Worker::updateFiles(quint8 percent) {
         if (fName.contains("print", Qt::CaseInsensitive)) {
             filesToDownload << fName;  // download printer-config-files
         } else {
-            static const QRegularExpression version("^.*dc2c[.][0-9]{0,1}[0-9][.][0-9][0-9][.]bin.*$");
+            static const QRegularExpression version("^.*dc2c[.][0-9]{1,2}[.][0-9]{1,2}[.]bin.*$");
             if (fName.contains(version)) {
                 filesToDownload << fName; // download device controller
             }