diff --git a/src/RIGID/fix_rigid_small.cpp b/src/RIGID/fix_rigid_small.cpp
index 4fa35cf5fd..068573f345 100644
--- a/src/RIGID/fix_rigid_small.cpp
+++ b/src/RIGID/fix_rigid_small.cpp
@@ -72,7 +72,8 @@ FixRigidSmall::FixRigidSmall(LAMMPS *lmp, int narg, char **arg) :
   create_attribute = 1;
   dof_flag = 1;
   enforce2d_flag = 1;
-
+  stores_ids = 1;
+  
   MPI_Comm_rank(world,&me);
   MPI_Comm_size(world,&nprocs);
 
diff --git a/src/RIGID/fix_shake.cpp b/src/RIGID/fix_shake.cpp
index b1ce975005..90c07d16a0 100644
--- a/src/RIGID/fix_shake.cpp
+++ b/src/RIGID/fix_shake.cpp
@@ -64,7 +64,8 @@ FixShake::FixShake(LAMMPS *lmp, int narg, char **arg) :
   thermo_virial = 1;
   create_attribute = 1;
   dof_flag = 1;
-
+  stores_ids = 1;
+  
   // error check
 
   molecular = atom->molecular;