--- qt-everywhere-src-5.15.18/qtbase/src/corelib/io/qstandardpaths_unix.cpp.orig
+++ qt-everywhere-src-5.15.18/qtbase/src/corelib/io/qstandardpaths_unix.cpp
@@ -115,7 +115,7 @@
         perms |= S_IWOTH;
     if (permissions & QFile::ExeOther)
         perms |= S_IXOTH;
-    return '0' + QByteArray::number(perms, 8);
+    return '0' + QByteArray::number((uint)perms, 8);
 }
 
 static bool checkXdgRuntimeDir(const QString &xdgRuntimeDir)