diff --git a/src/KOKKOS/domain_kokkos.cpp b/src/KOKKOS/domain_kokkos.cpp
index 6a1decbed6..50ba6cc280 100644
--- a/src/KOKKOS/domain_kokkos.cpp
+++ b/src/KOKKOS/domain_kokkos.cpp
@@ -57,8 +57,8 @@ public:
   }
 
   KOKKOS_INLINE_FUNCTION
-  void join(volatile value_type &dst,
-             const volatile value_type &src) const {
+  void join(value_type &dst,
+             const value_type &src) const {
     dst.value[0][0] = MIN(dst.value[0][0],src.value[0][0]);
     dst.value[0][1] = MAX(dst.value[0][1],src.value[0][1]);
     dst.value[1][0] = MIN(dst.value[1][0],src.value[1][0]);