diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index 2e8fadb2..8c8da67b 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -109,7 +109,7 @@ const capitalize = (s: string): string => {
 // (#[^\[\]\|\#]+)? -> # then one or more non-special characters (heading link)
 // (|[^\[\]\|\#]+)? -> | then one or more non-special characters (alias)
 const wikilinkRegex = new RegExp(/!?\[\[([^\[\]\|\#]+)?(#[^\[\]\|\#]+)?(\|[^\[\]\|\#]+)?\]\]/, "g")
-const highlightRegex = new RegExp(/==(.+)==/, "g")
+const highlightRegex = new RegExp(/==([^=]+)==/, "g")
 const commentRegex = new RegExp(/%%(.+)%%/, "g")
 // from https://github.com/escwxyz/remark-obsidian-callout/blob/main/src/index.ts
 const calloutRegex = new RegExp(/^\[\!(\w+)\]([+-]?)/)