diff --git a/src/fix_addforce.cpp b/src/fix_addforce.cpp
index 953f503144..4920d57f4a 100644
--- a/src/fix_addforce.cpp
+++ b/src/fix_addforce.cpp
@@ -106,7 +106,7 @@ FixAddForce::FixAddForce(LAMMPS *lmp, int narg, char **arg) :
 
   // KOKKOS package
 
-  datamask_read = X_MASK | F_MASK | IMAGE_MASK;
+  datamask_read = X_MASK | F_MASK | MASK_MASK | IMAGE_MASK;
   datamask_modify = F_MASK;
 }