diff --git a/api/remote/html.ts b/api/remote/html.ts
index 5c0a8c6a..f841533a 100644
--- a/api/remote/html.ts
+++ b/api/remote/html.ts
@@ -159,7 +159,7 @@ const TAG_RE =
 
 /** Matches one attribute: unquoted, single- or double-quoted, or bare. */
 const ATTR_RE =
-  /([^\s"'<>\/=]+)(?:\s*=\s*(?:"([^"]*)"|'([^']*)'|([^\s"'=<>`]+)))?/g;
+  /([^\s"'<>/=]+)(?:\s*=\s*(?:"([^"]*)"|'([^']*)'|([^\s"'=<>`]+)))?/g;
 
 function parseAttrs(source: string): Attrs {
   const attrs: Attrs = new Map();
diff --git a/src/test/utils/feed/journalLayout.test.ts b/src/test/utils/feed/journalLayout.test.ts
index 186da134..2a7e477e 100644
--- a/src/test/utils/feed/journalLayout.test.ts
+++ b/src/test/utils/feed/journalLayout.test.ts
@@ -66,7 +66,9 @@ describe("hasThumbnail / hasQuote", () => {
     expect(hasThumbnail(makeDump({ thumbnailMime: "image/webp" }))).toBe(true);
     expect(
       hasThumbnail(
-        makeDump({ richContent: { type: "generic", url: "u", thumbnailUrl: "t" } }),
+        makeDump({
+          richContent: { type: "generic", url: "u", thumbnailUrl: "t" },
+        }),
       ),
     ).toBe(true);
     expect(hasThumbnail(makeDump())).toBe(false);