diff --git a/src/corelib/tools/qscopedvaluerollback.h b/src/corelib/tools/qscopedvaluerollback.h index 23d2d9eda04..d53cabd3157 100644 --- a/src/corelib/tools/qscopedvaluerollback.h +++ b/src/corelib/tools/qscopedvaluerollback.h @@ -51,7 +51,7 @@ template class QScopedValueRollback { public: - QScopedValueRollback(T &var) : + explicit QScopedValueRollback(T &var) : varRef(var) { oldValue = varRef;