diff --git a/src/browser/browser.zig b/src/browser/browser.zig
index abe7cb33..70edcd62 100644
--- a/src/browser/browser.zig
+++ b/src/browser/browser.zig
@@ -209,7 +209,8 @@ pub const Page = struct {
     // https://html.spec.whatwg.org/#read-html
     fn loadHTMLDoc(self: *Page, reader: anytype) !void {
         log.debug("parse html", .{});
-        const html_doc = try parser.documentHTMLParse(reader);
+        // TODO pass an encoding detected from HTTP headers.
+        const html_doc = try parser.documentHTMLParse(reader, "UTF-8");
         const doc = parser.documentHTMLToDocument(html_doc);
 
         // save a document's pointer in the page.
diff --git a/src/browser/dump.zig b/src/browser/dump.zig
index cbf7e3f4..3ed3de98 100644
--- a/src/browser/dump.zig
+++ b/src/browser/dump.zig
@@ -86,7 +86,7 @@ pub fn HTMLFileTestFn(out: File) !void {
     const file = try std.fs.cwd().openFile("test.html", .{});
     defer file.close();
 
-    const doc_html = try parser.documentHTMLParse(file.reader());
+    const doc_html = try parser.documentHTMLParse(file.reader(), "UTF-8");
     // ignore close error
     defer parser.documentHTMLClose(doc_html) catch {};