diff --git a/utils/rbutilqt/logger/src/Logger.cpp b/utils/rbutilqt/logger/src/Logger.cpp
index b813947efe..5499d03fcd 100644
--- a/utils/rbutilqt/logger/src/Logger.cpp
+++ b/utils/rbutilqt/logger/src/Logger.cpp
@@ -600,8 +600,9 @@ Logger::~Logger()
   // Cleanup appenders
   QMutexLocker appendersLocker(&d->loggerMutex);
 #if QT_VERSION >= 0x050e00
-  QSet<AbstractAppender*> deleteList(QSet<AbstractAppender*>(d->appenders.begin(), d->appenders.end()));
-  deleteList.unite(QSet<AbstractAppender*>(d->categoryAppenders.values().begin(), d->categoryAppenders.values().end()));
+  QSet<AbstractAppender*> deleteList(d->appenders.begin(), d->appenders.end());
+  auto cal = d->categoryAppenders.values();
+  deleteList.unite(QSet<AbstractAppender*>(cal.begin(), cal.end()));
 #else
   QSet<AbstractAppender*> deleteList(QSet<AbstractAppender*>::fromList(d->appenders));
   deleteList.unite(QSet<AbstractAppender*>::fromList(d->categoryAppenders.values()));