diff --git a/src/form.cc b/src/form.cc
index 13e2b0b..912534d 100644
--- a/src/form.cc
+++ b/src/form.cc
@@ -351,7 +351,7 @@ static std::shared_ptr< DilloHtmlInput > Html_get_current_input(DilloHtml &html)
  */
 void Html_tag_open_form(DilloHtml *html, const char *tag, int tagsize)
 {
-   DilloUrl *action;
+   std::unique_ptr< DilloUrl > action;
    DilloHtmlMethod method;
    DilloHtmlEnc content_type;
    char *first;
@@ -378,11 +378,11 @@ void Html_tag_open_form(DilloHtml *html, const char *tag, int tagsize)
       }
    }
    if ((attrbuf = a_Html_get_attr(html, tag, tagsize, "action")))
-      action = a_Html_url_new(html, attrbuf, NULL, 0).release();
+      action = a_Html_url_new(html, attrbuf, NULL, 0);
    else {
       if (html->DocType != DT_HTML || html->DocTypeVersion <= 4.01f)
          BUG_MSG("<form> requires action attribute.");
-      action = a_Url_dup(html->base_url).release();
+      action = a_Url_dup(html->base_url);
    }
    content_type = DILLO_HTML_ENC_URLENCODED;
    if ((method == DILLO_HTML_METHOD_POST) &&
@@ -408,9 +408,8 @@ void Html_tag_open_form(DilloHtml *html, const char *tag, int tagsize)
    }
    if (!charset)
       charset = html->charset;
-   html->formNew(method, action, content_type, charset.has_value() ? charset.value().c_str() : nullptr );
+   html->formNew(method, action.get(), content_type, charset.has_value() ? charset.value().c_str() : nullptr );
    dFree(first);
-   delete action;
 }
 
 void Html_tag_close_form(DilloHtml *html)