diff --git a/src/common/text/elements/code.js b/src/common/text/elements/code.js
index 1e1ad00bfc..05756a9227 100644
--- a/src/common/text/elements/code.js
+++ b/src/common/text/elements/code.js
@@ -172,8 +172,8 @@ const elements = [
 	(code, i, source) => {
 		const prev = source[i - 1];
 		if (prev && /[a-zA-Z]/.test(prev)) return null;
-		if (!/^[0-9]+/.test(code)) return null;
-		const match = code.match(/^[0-9]+/)[0];
+		if (!/^\-?[0-9]+/.test(code)) return null;
+		const match = code.match(/^\-?[0-9-]+/)[0];
 		if (match) {
 			return {
 				html: `<span class="number">${match}</span>`,