diff --git a/Eigen/src/Core/PlainObjectBase.h b/Eigen/src/Core/PlainObjectBase.h
index b968b325e..82d96eb92 100644
--- a/Eigen/src/Core/PlainObjectBase.h
+++ b/Eigen/src/Core/PlainObjectBase.h
@@ -721,7 +721,7 @@ class PlainObjectBase : public internal::dense_xpr_base<Derived>::type
     EIGEN_STRONG_INLINE void _init1(const Index& val0,
                                     typename internal::enable_if<     (!internal::is_same<Index,Scalar>::value)
                                                                   &&  Base::SizeAtCompileTime==1
-                                                                  && internal::is_convertible<T, Scalar>::value,T>::type* = 0)
+                                                                  && internal::is_convertible<T, Scalar>::value,T*>::type* = 0)
     {
       EIGEN_STATIC_ASSERT_VECTOR_SPECIFIC_SIZE(PlainObjectBase, 1)
       m_storage.data()[0] = Scalar(val0);