diff --git a/src/common/text/elements/code.js b/src/common/text/elements/code.js
index 05756a9227..2220bb1b80 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>`,