diff --git a/trunk/src/app/srs_app_rtc_api.cpp b/trunk/src/app/srs_app_rtc_api.cpp
index d72b192e1b8..fecdb76a91c 100644
--- a/trunk/src/app/srs_app_rtc_api.cpp
+++ b/trunk/src/app/srs_app_rtc_api.cpp
@@ -187,7 +187,13 @@ srs_error_t SrsGoApiRtcPlay::do_serve_http(ISrsHttpResponseWriter* w, ISrsHttpMe
     }
 
     // For RTMP to RTC, fail if disabled and RTMP is active, see https://github.com/ossrs/srs/issues/2728
-    if (!_srs_config->get_rtc_from_rtmp(ruc.req_->vhost)) {
+    bool is_rtc_stream_active = false;
+    SrsRtcSource* source = _srs_rtc_sources->fetch(ruc.req_);
+    if (source && !source->can_publish()) {
+        is_rtc_stream_active = true;
+    }
+
+    if (!is_rtc_stream_active && !_srs_config->get_rtc_from_rtmp(ruc.req_->vhost)) {
         SrsLiveSource* rtmp = _srs_sources->fetch(ruc.req_);
         if (rtmp && !rtmp->inactive()) {
             return srs_error_new(ERROR_RTC_DISABLED, "Disabled rtmp_to_rtc of %s, see #2728", ruc.req_->vhost.c_str());
diff --git a/trunk/src/app/srs_app_rtc_source.hpp b/trunk/src/app/srs_app_rtc_source.hpp
index c98db956194..3c69b69d435 100644
--- a/trunk/src/app/srs_app_rtc_source.hpp
+++ b/trunk/src/app/srs_app_rtc_source.hpp
@@ -112,7 +112,7 @@ class SrsRtcSourceManager
     // @param r the client request.
     // @param pps the matched source, if success never be NULL.
     virtual srs_error_t fetch_or_create(SrsRequest* r, SrsRtcSource** pps);
-private:
+public:
     // Get the exists source, NULL when not exists.
     // update the request and return the exists source.
     virtual SrsRtcSource* fetch(SrsRequest* r);