diff --git a/modules/ssl/ssl_engine_init.c b/modules/ssl/ssl_engine_init.c
index 04a38da32c..89ed3df0fe 100644
--- a/modules/ssl/ssl_engine_init.c
+++ b/modules/ssl/ssl_engine_init.c
@@ -262,7 +262,8 @@ apr_status_t ssl_init_Module(apr_pool_t *p, apr_pool_t *plog,
          * the protocol is https. */
         if (ap_get_server_protocol(s) 
             && strcmp("https", ap_get_server_protocol(s)) == 0
-            && sc->enabled == SSL_ENABLED_UNSET) {
+            && sc->enabled == SSL_ENABLED_UNSET
+            && (!apr_is_empty_array(sc->server->pks->cert_files))) {
             sc->enabled = SSL_ENABLED_TRUE;
         }