diff --git a/gui/erroritem.h b/gui/erroritem.h
index 3c5f601ee..065bff932 100644
--- a/gui/erroritem.h
+++ b/gui/erroritem.h
@@ -38,7 +38,7 @@ class ErrorLine;
 class GuiSeverity {
 public:
     static QString toString(Severity::SeverityType severity) {
-        return QString(Severity::toString(severity).c_str());
+        return QString::fromStdString(Severity::toString(severity));
     }
 
     static Severity::SeverityType fromString(const QString &severity) {
diff --git a/gui/threadresult.cpp b/gui/threadresult.cpp
index bc9a0449f..de3b5b05d 100644
--- a/gui/threadresult.cpp
+++ b/gui/threadresult.cpp
@@ -67,7 +67,7 @@ void ThreadResult::reportErr(const ErrorLogger::ErrorMessage &msg)
     for (std::list<ErrorLogger::ErrorMessage::FileLocation>::const_iterator tok = msg._callStack.begin();
          tok != msg._callStack.end();
          ++tok) {
-        files << QString((*tok).getfile(false).c_str());
+        files << QString::fromStdString((*tok).getfile(false));
         lines << (*tok).line;
     }