diff --git a/ffserver.c b/ffserver.c
index c16f8aa756..686c12b2de 100644
--- a/ffserver.c
+++ b/ffserver.c
@@ -1686,7 +1686,7 @@ static int http_parse_request(HTTPContext *c)
                                 memcpy(q, sdp_data, sdp_data_size);
                                 q += sdp_data_size;
                                 *q = '\0';
-                                av_free(sdp_data);
+                                av_freep(&sdp_data);
                             }
                         }
                         break;