diff --git a/tests/04_FF/101_NEP_HfO2/INPUT b/tests/04_FF/101_NEP_HfO2/INPUT
index c22347b7a2..9265e9d3a2 100644
--- a/tests/04_FF/101_NEP_HfO2/INPUT
+++ b/tests/04_FF/101_NEP_HfO2/INPUT
@@ -10,7 +10,7 @@ pot_file            ../../PP_ORB/nep_hfo2.txt
 cal_force           1
 cal_stress          1
 
-md_nstep            3
+md_nstep            4
 md_type             npt
 md_dt               1
 md_tfirst           300
@@ -18,4 +18,4 @@ md_thermostat       nhc
 md_dumpfreq         1
 md_seed             1
 
-init_vel            1
\ No newline at end of file
+init_vel            1
diff --git a/tests/04_FF/50_DP_Al/INPUT b/tests/04_FF/50_DP_Al/INPUT
index 5a0498ea07..e67b738de4 100644
--- a/tests/04_FF/50_DP_Al/INPUT
+++ b/tests/04_FF/50_DP_Al/INPUT
@@ -10,7 +10,7 @@ pot_file            ../../PP_ORB/Al-SCAN.pb
 cal_force           1
 cal_stress          1
 
-md_nstep            3
+md_nstep            4
 md_type             msst
 md_dt               1
 md_tfirst           200