diff --git a/ffserver.c b/ffserver.c
index 48d880831f..ea0ccd8e6a 100644
--- a/ffserver.c
+++ b/ffserver.c
@@ -1365,7 +1365,8 @@ static void parse_acl_row(FFStream *stream, FFStream* feed, IPAddressACL *ext_ac
                 naclp = &(*naclp)->next;
 
             *naclp = nacl;
-        }
+        } else
+            av_free(nacl);
     }
 }