diff --git a/trunk/src/app/srs_app_config.cpp b/trunk/src/app/srs_app_config.cpp
index 4d50743e5..96c84fdcf 100644
--- a/trunk/src/app/srs_app_config.cpp
+++ b/trunk/src/app/srs_app_config.cpp
@@ -3414,7 +3414,7 @@ bool SrsConfig::get_hls_cleanup(string vhost)
     
     SrsConfDirective* conf = hls->get("hls_cleanup");
     
-    if (!conf && conf->arg0() != "off") {
+    if (conf && conf->arg0() != "off") {
         return SRS_CONF_DEFAULT_HLS_CLEANUP;
     }