1 files changed, 2 insertions, 2 deletions
diff --git a/src/gui/text/qsyntaxhighlighter.h b/src/gui/text/qsyntaxhighlighter.h
index 244f40b7ed..7107238a95 100644
--- a/src/gui/text/qsyntaxhighlighter.h
+++ b/src/gui/text/qsyntaxhighlighter.h
@@ -66,8 +66,8 @@ class Q_GUI_EXPORT QSyntaxHighlighter : public QObject
     Q_OBJECT
     Q_DECLARE_PRIVATE(QSyntaxHighlighter)
 public:
-    QSyntaxHighlighter(QObject *parent);
-    QSyntaxHighlighter(QTextDocument *parent);
+    explicit QSyntaxHighlighter(QObject *parent);
+    explicit QSyntaxHighlighter(QTextDocument *parent);
     virtual ~QSyntaxHighlighter();
 
     void setDocument(QTextDocument *doc);