diff --git a/src/compute_temp_sphere.cpp b/src/compute_temp_sphere.cpp
index 2ee067abcb..65c2cdf3cc 100644
--- a/src/compute_temp_sphere.cpp
+++ b/src/compute_temp_sphere.cpp
@@ -14,6 +14,7 @@
 #include "compute_temp_sphere.h"
 
 #include "atom.h"
+#include "atom_masks.h"
 #include "domain.h"
 #include "error.h"
 #include "force.h"
@@ -76,6 +77,8 @@ ComputeTempSphere::ComputeTempSphere(LAMMPS *lmp, int narg, char **arg) :
 
   if (!atom->omega_flag) error->all(FLERR, "Compute temp/sphere requires atom attribute omega");
   if (!atom->radius_flag) error->all(FLERR, "Compute temp/sphere requires atom attribute radius");
+
+  datamask_modify = ALL_MASK & ~X_MASK;
 }
 
 /* ---------------------------------------------------------------------- */