diff --git a/libavformat/http.c b/libavformat/http.c
index 7f33ecaf29..e75ad9e989 100644
--- a/libavformat/http.c
+++ b/libavformat/http.c
@@ -421,6 +421,8 @@ static int get_cookies(HTTPContext *s, char **cookies, const char *path,
                 cvalue = av_strdup(param);
             }
         }
+        if (!cdomain)
+            cdomain = av_strdup(domain);
 
         // ensure all of the necessary values are valid
         if (!cdomain || !cpath || !cvalue) {