diff --git a/src/libs/utils/mimetypes2/mimedatabase.cpp b/src/libs/utils/mimetypes2/mimedatabase.cpp
index 1fd3cf0b5a4..961f026b674 100644
--- a/src/libs/utils/mimetypes2/mimedatabase.cpp
+++ b/src/libs/utils/mimetypes2/mimedatabase.cpp
@@ -487,7 +487,7 @@ MimeType MimeDatabasePrivate::mimeTypeForData(QIODevice *device)
         // Read 16K in one go (QIODEVICE_BUFFERSIZE in qiodevice_p.h).
         // This is much faster than seeking back and forth into QIODevice.
         const QByteArray data = device->peek(16384);
-        const MimeType result = findByData(data, &accuracy);
+        MimeType result = findByData(data, &accuracy);
         if (openedByUs)
             device->close();
         return result;