diff --git a/PHonon/examples/example01/run_example b/PHonon/examples/example01/run_example
index 602fa7a2b..94fdf7d3d 100755
--- a/PHonon/examples/example01/run_example
+++ b/PHonon/examples/example01/run_example
@@ -87,7 +87,7 @@ $ECHO " done"
 # self-consistent calculation
 cat > si.scf.in << EOF
  &control
-    calculation='vc-relax',
+    calculation='scf',
     restart_mode='from_scratch',
     prefix='silicon'
     pseudo_dir = '$PSEUDO_DIR/',
@@ -101,8 +101,6 @@ cat > si.scf.in << EOF
     mixing_beta = 0.7
     conv_thr =  1.0d-8
  /
- &ions /
- &cell /
 ATOMIC_SPECIES
  Si  28.086  Si.pz-vbc.UPF
 ATOMIC_POSITIONS (alat)