--- a/src/starter/netkey.c
+++ b/src/starter/netkey.c
@@ -34,7 +34,7 @@ starter_netkey_init(void)
 		/* af_key module makes the netkey proc interface visible */
 		if (stat(PROC_MODULES, &stb) == 0)
 		{
-			ignore_result(system("modprobe -qv af_key"));
+			ignore_result(system("insmod -qv af_key"));
 		}
 
 		/* now test again */
@@ -50,11 +50,11 @@ starter_netkey_init(void)
 	/* make sure that all required IPsec modules are loaded */
 	if (stat(PROC_MODULES, &stb) == 0)
 	{
-		ignore_result(system("modprobe -qv ah4"));
-		ignore_result(system("modprobe -qv esp4"));
-		ignore_result(system("modprobe -qv ipcomp"));
-		ignore_result(system("modprobe -qv xfrm4_tunnel"));
-		ignore_result(system("modprobe -qv xfrm_user"));
+		ignore_result(system("insmod -qv ah4"));
+		ignore_result(system("insmod -qv esp4"));
+		ignore_result(system("insmod -qv ipcomp"));
+		ignore_result(system("insmod -qv xfrm4_tunnel"));
+		ignore_result(system("insmod -qv xfrm_user"));
 	}
 
 	DBG(DBG_CONTROL,