diff --git a/src/client/dom/open.ts b/src/client/dom/open.ts
index 85bc2fc..2644268 100644
--- a/src/client/dom/open.ts
+++ b/src/client/dom/open.ts
@@ -7,6 +7,9 @@ export default function (client: ScramjetClient) {
 		apply(ctx) {
 			if (ctx.args[0]) ctx.args[0] = rewriteUrl(ctx.args[0], client.meta);
 
+			if (["_parent", "_top", "_unfencedTop"].includes(ctx.args[1]))
+				ctx.args[1] = "_self";
+
 			const realwin = ctx.call();
 
 			if (!realwin) return ctx.return(realwin);
diff --git a/src/shared/rewriters/html.ts b/src/shared/rewriters/html.ts
index 6f29700..3c49ea7 100644
--- a/src/shared/rewriters/html.ts
+++ b/src/shared/rewriters/html.ts
@@ -186,6 +186,12 @@ export const htmlRules: {
 		fn: (value: string, meta: URLMeta) => rewriteCss(value, meta),
 		style: "*",
 	},
+	{
+		fn: (value: string) => {
+			if (["_parent", "_top", "_unfencedTop"].includes(value)) return "_self";
+		},
+		target: ["a", "base"],
+	},
 ];
 
 // i need to add the attributes in during rewriting