diff --git a/Eigen/src/Core/arch/NEON/Complex.h b/Eigen/src/Core/arch/NEON/Complex.h
index 448600bb3f..2210d5a789 100644
--- a/Eigen/src/Core/arch/NEON/Complex.h
+++ b/Eigen/src/Core/arch/NEON/Complex.h
@@ -76,6 +76,7 @@ template<> struct unpacket_traits<Packet1cf>
 {
   typedef std::complex<float> type;
   typedef Packet1cf half;
+  typedef Packet2f as_real;
   enum
   {
     size = 1,
@@ -89,6 +90,7 @@ template<> struct unpacket_traits<Packet2cf>
 {
   typedef std::complex<float> type;
   typedef Packet1cf half;
+  typedef Packet4f as_real;
   enum
   {
     size = 2,
@@ -475,6 +477,8 @@ template<> struct packet_traits<std::complex<double> >  : default_packet_traits
 template<> struct unpacket_traits<Packet1cd>
 {
   typedef std::complex<double> type;
+  typedef Packet1cd half;
+  typedef Packet2d as_real;
   enum
   {
     size=1,
@@ -483,7 +487,6 @@ template<> struct unpacket_traits<Packet1cd>
     masked_load_available=false,
     masked_store_available=false
   };
-  typedef Packet1cd half;
 };
 
 template<> EIGEN_STRONG_INLINE Packet1cd pload<Packet1cd>(const std::complex<double>* from)
@@ -640,6 +643,19 @@ EIGEN_STRONG_INLINE void ptranspose(PacketBlock<Packet1cd,2>& kernel)
   kernel.packet[0].v = vcombine_f64(vget_low_f64(kernel.packet[0].v), vget_low_f64(kernel.packet[1].v));
   kernel.packet[1].v = tmp;
 }
+
+template<> EIGEN_STRONG_INLINE Packet1cf psqrt<Packet1cf>(const Packet1cf& a) {
+  return psqrt_complex<Packet1cf>(a);
+}
+
+template<> EIGEN_STRONG_INLINE Packet2cf psqrt<Packet2cf>(const Packet2cf& a) {
+  return psqrt_complex<Packet2cf>(a);
+}
+
+template<> EIGEN_STRONG_INLINE Packet1cd psqrt<Packet1cd>(const Packet1cd& a) {
+  return psqrt_complex<Packet1cd>(a);
+}
+
 #endif // EIGEN_ARCH_ARM64
 
 } // end namespace internal