diff --git a/src/KOKKOS/kokkos.cpp b/src/KOKKOS/kokkos.cpp
index 3153e9a752..67202612a4 100644
--- a/src/KOKKOS/kokkos.cpp
+++ b/src/KOKKOS/kokkos.cpp
@@ -266,7 +266,7 @@ KokkosLMP::KokkosLMP(LAMMPS *lmp, int narg, char **arg) : Pointers(lmp)
 #if defined(MPICH) && defined(MVAPICH2_VERSION)
       char* str;
       gpu_aware_flag = 0;
-      if ((str = getenv("MV2_ENABLE_CUDA")))
+      if ((str = getenv("MV2_USE_CUDA")))
         if ((strcmp(str,"1") == 0))
           gpu_aware_flag = 1;