diff --git a/vMN_fig2A.ode b/vMN_fig2A.ode
index 776cc84..4e11bf2 100644
--- a/vMN_fig2A.ode
+++ b/vMN_fig2A.ode
@@ -68,7 +68,7 @@ r'=(rinf(v)-r)/taur(v)
 @ XP=t
 @ YP=vs
 @ TOTAL=1200,DT=0.01
-@ MAXSTOR=8000000,BOUNDS=10000,method=runge-kutta
+@ MAXSTOR=8000000,BOUNDS=10000,method=rungekutta
 @ xlo=0,xhi=1200,ylo=-92,yhi=53
 #
 @ NTST=250,NMAX=55000,NPR=50
diff --git a/vMN_ref_parameter_set.ode b/vMN_ref_parameter_set.ode
index 18d2c3d..35e52cb 100644
--- a/vMN_ref_parameter_set.ode
+++ b/vMN_ref_parameter_set.ode
@@ -73,7 +73,7 @@ r'=(rinf(v)-r)/taur(v)
 @ XP=t
 @ YP=vs
 @ TOTAL=3000,DT=0.01
-@ MAXSTOR=8000000,BOUNDS=10000,method=runge-kutta
+@ MAXSTOR=8000000,BOUNDS=10000,method=rungekutta
 @ xlo=0,xhi=3000,ylo=-92,yhi=53
 #
 @ NTST=250,NMAX=55000,NPR=50