diff --git a/src/KOKKOS/atom_vec_spin_kokkos.cpp b/src/KOKKOS/atom_vec_spin_kokkos.cpp
index 9de02c3b28..d2dd3a05ab 100644
--- a/src/KOKKOS/atom_vec_spin_kokkos.cpp
+++ b/src/KOKKOS/atom_vec_spin_kokkos.cpp
@@ -594,7 +594,7 @@ int AtomVecSpinKokkos::unpack_exchange_kokkos(DAT::tdual_xfloat_2d &k_buf, int n
 
 void AtomVecSpinKokkos::force_clear(int n, size_t nbytes)
 {
-  int nzero = nbytes/sizeof(double);
+  int nzero = (double)nbytes/sizeof(double);
 
   if (nzero) {
     atomKK->k_fm.clear_sync_state(); // will be cleared below