diff --git a/src/fix_nve_limit.cpp b/src/fix_nve_limit.cpp
index 966fcfbb09ca0530b5893d7e160a519fc86d9384..6f85d107f113c178332c03450d55a77d0ee44747 100644
--- a/src/fix_nve_limit.cpp
+++ b/src/fix_nve_limit.cpp
@@ -38,6 +38,7 @@ FixNVELimit::FixNVELimit(LAMMPS *lmp, int narg, char **arg) :
   scalar_flag = 1;
   global_freq = 1;
   extscalar = 1;
+  dynamic_group_allow = 1;
 
   xlimit = force->numeric(FLERR,arg[3]);
 
diff --git a/src/fix_temp_rescale.cpp b/src/fix_temp_rescale.cpp
index fe52a317880f371d647d89ee90f8f5b7ea9273eb..52e2da7b3de2b35e7afb35fae4746f404041c214 100644
--- a/src/fix_temp_rescale.cpp
+++ b/src/fix_temp_rescale.cpp
@@ -48,6 +48,7 @@ FixTempRescale::FixTempRescale(LAMMPS *lmp, int narg, char **arg) :
   scalar_flag = 1;
   global_freq = nevery;
   extscalar = 1;
+  dynamic_group_allow = 1;
 
   tstr = NULL;
   if (strstr(arg[4],"v_") == arg[4]) {