1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/statemachine/qstate.h b/src/corelib/statemachine/qstate.h
index 13335e80d7..8d20a67350 100644
--- a/src/corelib/statemachine/qstate.h
+++ b/src/corelib/statemachine/qstate.h
@@ -83,7 +83,7 @@ public:
     void setErrorState(QAbstractState *state);
 
     void addTransition(QAbstractTransition *transition);
-    QSignalTransition *addTransition(QObject *sender, const char *signal, QAbstractState *target);
+    QSignalTransition *addTransition(const QObject *sender, const char *signal, QAbstractState *target);
     QAbstractTransition *addTransition(QAbstractState *target);
     void removeTransition(QAbstractTransition *transition);
     QList<QAbstractTransition*> transitions() const;