diff --git a/Eigen/src/PardisoSupport/PardisoSupport.h b/Eigen/src/PardisoSupport/PardisoSupport.h
index 70afcb3fe..07006b5c4 100644
--- a/Eigen/src/PardisoSupport/PardisoSupport.h
+++ b/Eigen/src/PardisoSupport/PardisoSupport.h
@@ -123,7 +123,7 @@ class PardisoImpl : public SparseSolverBase<Derived>
     };
 
     PardisoImpl()
-      : m_analysisIsOk(false), m_factorizationIsOk(false), m_pt(0)
+      : m_analysisIsOk(false), m_factorizationIsOk(false)
     {
       eigen_assert((sizeof(StorageIndex) >= sizeof(_INTEGER_t) && sizeof(StorageIndex) <= 8) && "Non-supported index type");
       m_iparm.setZero();