diff --git a/unsupported/Eigen/CXX11/Core b/unsupported/Eigen/CXX11/Core
index 292f09564..cadfaaff1 100644
--- a/unsupported/Eigen/CXX11/Core
+++ b/unsupported/Eigen/CXX11/Core
@@ -33,7 +33,7 @@
 #include <vector>
 
 // Emulate the cxx11 functionality that we need if the compiler doesn't support it.
-#if __cplusplus <= 199711L
+#if __cplusplus <= 199711L || defined(__CUDACC__)
 #include "src/Core/util/EmulateCXX11Meta.h"
 #else
 #include <array>
diff --git a/unsupported/Eigen/CXX11/src/Core/util/EmulateCXX11Meta.h b/unsupported/Eigen/CXX11/src/Core/util/EmulateCXX11Meta.h
index ecd1bddf1..ce34a7f04 100644
--- a/unsupported/Eigen/CXX11/src/Core/util/EmulateCXX11Meta.h
+++ b/unsupported/Eigen/CXX11/src/Core/util/EmulateCXX11Meta.h
@@ -23,7 +23,8 @@ template <typename T, size_t n> class array {
   EIGEN_DEVICE_FUNC
   EIGEN_STRONG_INLINE const T& operator[] (size_t index) const { return values[index]; }
 
-  static const std::size_t size() { return n; }
+  EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE
+  static std::size_t size() { return n; }
 
   T values[n];
 
@@ -105,7 +106,8 @@ template <typename T, size_t n> class array {
   }
 
 #ifdef EIGEN_HAS_VARIADIC_TEMPLATES
-  array(std::initializer_list<T> l) {
+  EIGEN_DEVICE_FUNC
+  EIGEN_STRONG_INLINE array(std::initializer_list<T> l) {
     eigen_assert(l.size() == n);
     internal::smart_copy(l.begin(), l.end(), values);
   }