diff --git a/examples/USER/misc/fix_propel_self/3d_quaternion/in.3d_quaternion b/examples/USER/misc/fix_propel_self/3d_quaternion/in.3d_quaternion
index b43d6304b3..152a06d82e 100644
--- a/examples/USER/misc/fix_propel_self/3d_quaternion/in.3d_quaternion
+++ b/examples/USER/misc/fix_propel_self/3d_quaternion/in.3d_quaternion
@@ -23,7 +23,7 @@ set type * shape 1.0 1.0 1.0
 set type * quat 0 0 1 0
 
 fix step all nve
-fix temp all langevin 1.0 1.0 1.0 13
+fix temp all langevin 1.0 1.0 1.0 13 angmom yes
 
 neighbor 0.6 bin