diff --git a/source/app/action/index.mjs b/source/app/action/index.mjs
index 88fe0a10..61eb9a8b 100644
--- a/source/app/action/index.mjs
+++ b/source/app/action/index.mjs
@@ -285,7 +285,7 @@
 
         //Cache
           if (/markdown/.test(convert)) {
-            const regex = /(?<match><img class="metrics-cachable" data-name="(?<name>[\s\S]+?)" src="data:image[/]svg[+]xml;base64,(?<content>[/+\w]+)">)/g
+            const regex = /(?<match><img class="metrics-cachable" data-name="(?<name>[\s\S]+?)" src="data:image[/]svg[+]xml;base64,(?<content>[/+=\w]+)">)/g
             let matched = null
             while (matched = regex.exec(rendered)?.groups) { //eslint-disable-line no-cond-assign
               const {match, name, content} = matched