diff --git a/lib/pool/templates.js b/lib/pool/templates.js
index d155b6f2..2d8b3d57 100644
--- a/lib/pool/templates.js
+++ b/lib/pool/templates.js
@@ -346,7 +346,10 @@ module.exports = function createTemplateManager(deps) {
     function setNewBlockTemplate(template) {
         const coin = template.coin;
         const previousTemplate = activeBlockTemplates[coin];
-        if (previousTemplate && previousTemplate.idHash === template.idHash) return;
+        if (previousTemplate && previousTemplate.idHash === template.idHash) {
+            const isMmParentTemplate = typeof template.parent_blocktemplate_blob === "string";
+            if (!isMmParentTemplate || previousTemplate.parent_blocktemplate_blob === template.parent_blocktemplate_blob) return;
+        }
         let isExtraCheck = false;
         if (previousTemplate) {
             previousTemplate.timeoutTime = Date.now() + 4 * 1000;