diff --git a/src/libs/qmuparser/qmutranslation.cpp b/src/libs/qmuparser/qmutranslation.cpp
index dc1097343..01b642ecd 100644
--- a/src/libs/qmuparser/qmutranslation.cpp
+++ b/src/libs/qmuparser/qmutranslation.cpp
@@ -30,8 +30,8 @@ namespace qmu
 {
 
 //---------------------------------------------------------------------------------------------------------------------
-QmuTranslation QmuTranslation::translate(const QString &context, const QString &sourceText,
-                                         const QString &disambiguation, int n)
+QmuTranslation QmuTranslation::translate(const char *context, const char *sourceText,
+                                         const char *disambiguation, int n)
 {
     if (n < 0)
     {
diff --git a/src/libs/qmuparser/qmutranslation.h b/src/libs/qmuparser/qmutranslation.h
index a3d7e259b..4b5106a5f 100644
--- a/src/libs/qmuparser/qmutranslation.h
+++ b/src/libs/qmuparser/qmutranslation.h
@@ -54,13 +54,13 @@ class QMUPARSERSHARED_EXPORT QmuTranslation
 public:
     QmuTranslation();
     ~QmuTranslation(){}
-    QmuTranslation(const QString &context, const QString &sourceText, const QString &disambiguation = nullptr,
+    QmuTranslation(const QString &context, const QString &sourceText, const QString &disambiguation = QString(),
                    int n = -1);
     QmuTranslation &operator=(const QmuTranslation &tr);
     QmuTranslation(const QmuTranslation &tr);
     QString translate(const QString &locale) const;
-    static QmuTranslation translate(const QString &context, const QString &sourceText,
-                                    const QString &disambiguation = nullptr, int n = -1);
+    static QmuTranslation translate(const char * context, const char * sourceText,
+                                    const char * disambiguation = nullptr, int n = -1);
     QString getMcontext() const;
     QString getMsourceText() const;
     QString getMdisambiguation() const;