diff --git a/lib/gpu/lal_atom.cpp b/lib/gpu/lal_atom.cpp
index 03f3b477c9..bf27334578 100644
--- a/lib/gpu/lal_atom.cpp
+++ b/lib/gpu/lal_atom.cpp
@@ -124,7 +124,7 @@ bool AtomT::alloc(const int nall) {
                                    UCL_READ_ONLY)==UCL_SUCCESS);
     gpu_bytes+=v.device.row_bytes();
   }
-  if (_extra_fields>0 && !_host_view) {
+  if (_extra_fields>0) {
     success=success && (extra.alloc(_max_atoms*_extra_fields,*dev,UCL_WRITE_ONLY,
                                    UCL_READ_ONLY)==UCL_SUCCESS);
     gpu_bytes+=extra.device.row_bytes();
diff --git a/lib/gpu/lal_atom.h b/lib/gpu/lal_atom.h
index cfd4368948..f4b23822f8 100644
--- a/lib/gpu/lal_atom.h
+++ b/lib/gpu/lal_atom.h
@@ -470,18 +470,13 @@ class Atom {
   inline void cast_extra_data(cpytyp *host_ptr) {
     if (_extra_avail==false) {
       double t=MPI_Wtime();
-      if (_host_view) {
-        extra.host.view((numtyp*)host_ptr,_nall*_extra_fields,*dev);
-        extra.device.view(extra.host);
-      } else if (sizeof(numtyp)==sizeof(double))
-        memcpy(extra.host.begin(),host_ptr,_nall*_extra_fields*sizeof(numtyp));
-      else
-        #if (LAL_USE_OMP == 1) && (LAL_USE_OMP_SIMD == 1)
-        #pragma omp parallel for simd schedule(static)
-        #elif (LAL_USE_OMP_SIMD == 1)
-        #pragma omp simd
-        #endif
-        for (int i=0; i<_nall*_extra_fields; i++) extra[i]=host_ptr[i];
+      #if (LAL_USE_OMP == 1) && (LAL_USE_OMP_SIMD == 1)
+      #pragma omp parallel for simd schedule(static)
+      #elif (LAL_USE_OMP_SIMD == 1)
+      #pragma omp simd
+      #endif
+      for (int i=0; i<_nall*_extra_fields; i++)
+        extra[i]=host_ptr[i];
       _time_cast+=MPI_Wtime()-t;
     }
   }
diff --git a/lib/gpu/lal_device.cpp b/lib/gpu/lal_device.cpp
index 1dbe1a0c40..e54d16266c 100644
--- a/lib/gpu/lal_device.cpp
+++ b/lib/gpu/lal_device.cpp
@@ -490,7 +490,7 @@ int DeviceT::init(Answer<numtyp,acctyp> &ans, const bool charge,
       _data_in_estimate++;
     if (!atom.velocity() && vel)
       _data_in_estimate++;
-      if (atom.using_extra()==false && extra_fields>0)
+    if (atom.using_extra() && extra_fields>0)
       _data_in_estimate++;
     if (!atom.add_fields(charge,rot,gpu_nbor,gpu_nbor>0 && maxspecial,vel,extra_fields))
       return -3;