diff --git a/platform/mv3/extension/js/ruleset-manager.js b/platform/mv3/extension/js/ruleset-manager.js
index 7d717c4c4..90e2aebf8 100644
--- a/platform/mv3/extension/js/ruleset-manager.js
+++ b/platform/mv3/extension/js/ruleset-manager.js
@@ -359,6 +359,7 @@ async function updateStrictBlockRules(currentRules, addRules, removeRuleIds) {
     if ( validRules.length === 0 ) { return; }
     ubolLog(`Add ${validRules.length} DNR strictblock rules`);
     for ( const rule of validRules ) {
+        rule.priority = STRICTBLOCK_PRIORITY;
         addRules.push(rule);
     }