diff --git a/.changeset/cold-bears-sneeze.md b/.changeset/cold-bears-sneeze.md
new file mode 100644
index 000000000..483d87cd3
--- /dev/null
+++ b/.changeset/cold-bears-sneeze.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/markdown-remark': minor
+---
+
+fixed generated slugs in markdown that ends with a dash
diff --git a/packages/markdown/remark/test/expressions.test.js b/packages/markdown/remark/test/expressions.test.js
index db351f9d8..828f70561 100644
--- a/packages/markdown/remark/test/expressions.test.js
+++ b/packages/markdown/remark/test/expressions.test.js
@@ -54,7 +54,7 @@ describe('expressions', () => {
 		chai
 			.expect(code)
 			.to.equal(
-				'<h1 id="-foo--is-a-shorthand-for--foo-foo-"><code is:raw>{ foo }</code> is a shorthand for <code is:raw>{ foo: foo }</code></h1>'
+				'<h1 id="-foo--is-a-shorthand-for--foo-foo"><code is:raw>{ foo }</code> is a shorthand for <code is:raw>{ foo: foo }</code></h1>'
 			);
 	});