diff --git a/examples/USER/pimd/prot-hairpin/in.scp b/examples/USER/pimd/prot-hairpin/in.scp
index 70816bf4a4..220d29dc51 100644
--- a/examples/USER/pimd/prot-hairpin/in.scp
+++ b/examples/USER/pimd/prot-hairpin/in.scp
@@ -17,7 +17,7 @@ read_data system.data
 #read_restart    restart/system_${ibead}.rest1
 special_bonds   charmm
 
-fix 1 all quantum method nmpimd fmass 1.0 temp 300.0 nhc 4 sp 2.0
+fix 1 all pimd method nmpimd fmass 1.0 temp 300.0 nhc 4 sp 2.0
 
 thermo          10
 thermo_style    custom step temp pe etotal