diff --git a/pocketfft_hdronly.h b/pocketfft_hdronly.h
index e6bfd7360f0c0fb60a3004a85ce497b0cae66f0b..b1d5a4d4240e0ebe7f20630f215e8f4b42acfeff 100644
--- a/pocketfft_hdronly.h
+++ b/pocketfft_hdronly.h
@@ -2812,6 +2812,8 @@ template<> struct VTYPE<long double>
   {
   using type = long double __attribute__ ((vector_size (VLEN<long double>::val*sizeof(long double))));
   };
+
+template <typename T> using vtype_t = typename VTYPE<T>::type;
 #endif
 
 template<typename T> arr<char> alloc_tmp(const shape_t &shape,
@@ -2866,9 +2868,8 @@ template<typename T> POCKETFFT_NOINLINE void general_c(
     if (vlen>1)
       while (it.remaining()>=vlen)
         {
-        using vtype = typename VTYPE<T>::type;
         it.advance(vlen);
-        auto tdatav = reinterpret_cast<cmplx<vtype> *>(storage.data());
+        auto tdatav = reinterpret_cast<cmplx<vtype_t<T>> *>(storage.data());
         for (size_t i=0; i<len; ++i)
           for (size_t j=0; j<vlen; ++j)
             {
@@ -2924,9 +2925,8 @@ template<typename T> POCKETFFT_NOINLINE void general_hartley(
     if (vlen>1)
       while (it.remaining()>=vlen)
         {
-        using vtype = typename VTYPE<T>::type;
         it.advance(vlen);
-        auto tdatav = reinterpret_cast<vtype *>(storage.data());
+        auto tdatav = reinterpret_cast<vtype_t<T> *>(storage.data());
         for (size_t i=0; i<len; ++i)
           for (size_t j=0; j<vlen; ++j)
             tdatav[i][j] = tin[it.iofs(j,i)];
@@ -2992,9 +2992,8 @@ template<typename Trafo, typename T> POCKETFFT_NOINLINE void general_dcst(
     if (vlen>1)
       while (it.remaining()>=vlen)
         {
-        using vtype = typename VTYPE<T>::type;
         it.advance(vlen);
-        auto tdatav = reinterpret_cast<vtype *>(storage.data());
+        auto tdatav = reinterpret_cast<vtype_t<T> *>(storage.data());
         for (size_t i=0; i<len; ++i)
           for (size_t j=0; j<vlen; ++j)
             tdatav[i][j] = tin[it.iofs(j,i)];
@@ -3040,9 +3039,8 @@ template<typename T> POCKETFFT_NOINLINE void general_r2c(
   if (vlen>1)
     while (it.remaining()>=vlen)
       {
-      using vtype = typename VTYPE<T>::type;
       it.advance(vlen);
-      auto tdatav = reinterpret_cast<vtype *>(storage.data());
+      auto tdatav = reinterpret_cast<vtype_t<T> *>(storage.data());
       for (size_t i=0; i<len; ++i)
         for (size_t j=0; j<vlen; ++j)
           tdatav[i][j] = in[it.iofs(j,i)];
@@ -3100,9 +3098,8 @@ template<typename T> POCKETFFT_NOINLINE void general_c2r(
   if (vlen>1)
     while (it.remaining()>=vlen)
       {
-      using vtype = typename VTYPE<T>::type;
       it.advance(vlen);
-      auto tdatav = reinterpret_cast<vtype *>(storage.data());
+      auto tdatav = reinterpret_cast<vtype_t<T> *>(storage.data());
       for (size_t j=0; j<vlen; ++j)
         tdatav[0][j]=in[it.iofs(j,0)].r;
       {
@@ -3172,9 +3169,8 @@ template<typename T> POCKETFFT_NOINLINE void general_r(
     if (vlen>1)
       while (it.remaining()>=vlen)
         {
-        using vtype = typename VTYPE<T>::type;
         it.advance(vlen);
-        auto tdatav = reinterpret_cast<vtype *>(storage.data());
+        auto tdatav = reinterpret_cast<vtype_t<T> *>(storage.data());
         for (size_t i=0; i<len; ++i)
           for (size_t j=0; j<vlen; ++j)
             tdatav[i][j] = tin[it.iofs(j,i)];