diff --git a/Eigen/src/Core/CoreEvaluators.h b/Eigen/src/Core/CoreEvaluators.h
index dfdb63e98..d1454117a 100644
--- a/Eigen/src/Core/CoreEvaluators.h
+++ b/Eigen/src/Core/CoreEvaluators.h
@@ -136,7 +136,9 @@ template<typename Scalar,int OuterStride> class plainobjectbase_evaluator_data {
 public:
   EIGEN_DEVICE_FUNC plainobjectbase_evaluator_data(const Scalar* ptr, Index outerStride) : data(ptr)
   {
-    EIGEN_ONLY_USED_FOR_DEBUG(outerStride);
+#ifndef EIGEN_INTERNAL_DEBUGGING
+    EIGEN_UNUSED_VARIABLE(outerStride);
+#endif
     eigen_internal_assert(outerStride==OuterStride);
   }
   EIGEN_DEVICE_FUNC Index outerStride() const { return OuterStride; }