diff --git a/apps/s_server.c b/apps/s_server.c
index 7230750c4..5cc7d15af 100644
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -992,7 +992,7 @@ int MAIN(int argc, char *argv[])
 			{
 			vflags |= X509_V_FLAG_CRL_CHECK;
 			}
-		else if (strcmp(*argv,"-crl_check") == 0)
+		else if (strcmp(*argv,"-crl_check_all") == 0)
 			{
 			vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
 			}