diff --git a/lib/marked.js b/lib/marked.js
index 2fdeb33e3d..60ac41f60f 100644
--- a/lib/marked.js
+++ b/lib/marked.js
@@ -461,7 +461,7 @@ var inline = {
   escape: /^\\([\\`*{}\[\]()#+\-.!_>])/,
   autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/,
   url: noop,
-  tag: /^<!--[\s\S]*?-->|^<\/?[a-zA-Z0-9\-]+(?:"[^"]*"|'[^']*'|\s[^<'">\/\s]*)*?\/?>/,
+  tag: /^<!--[\s\S]*?-->|^<\/?[a-zA-Z0-9\-]+(?:="[^"]*"|='[^']*'|=[^<>\s]+|\s[^<=>\/\s]*)*?\/?>/,
   link: /^!?\[(inside)\]\(href\)/,
   reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/,
   nolink: /^!?\[((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\]/,
diff --git a/test/new/issue_1411.html b/test/new/issue_1411.html
new file mode 100644
index 0000000000..076d17838f
--- /dev/null
+++ b/test/new/issue_1411.html
@@ -0,0 +1 @@
+<p><a href=https://example.com></a></p>
diff --git a/test/new/issue_1411.md b/test/new/issue_1411.md
new file mode 100644
index 0000000000..a9820aaea4
--- /dev/null
+++ b/test/new/issue_1411.md
@@ -0,0 +1 @@
+<a href=https://example.com></a>