diff --git a/shared/js/background/components/remote-config.js b/shared/js/background/components/remote-config.js
index ec27b3883..ebf0a05a0 100644
--- a/shared/js/background/components/remote-config.js
+++ b/shared/js/background/components/remote-config.js
@@ -32,7 +32,9 @@ export default class RemoteConfig {
      * @param {Config} configValue 
      */
     updateConfig(configValue) {
-        this.config = processRawConfig(configValue, this.settings)
+        // copy config value before modification
+        const configCopy = structuredClone(configValue)
+        this.config = processRawConfig(configCopy, this.settings)
     }
 
     /**
diff --git a/shared/js/background/storage/tds.js b/shared/js/background/storage/tds.js
index c5a776e30..dd02b9aad 100644
--- a/shared/js/background/storage/tds.js
+++ b/shared/js/background/storage/tds.js
@@ -16,7 +16,7 @@ export default {
     _tds: { entities: {}, trackers: {}, domains: {}, cnames: {} },
     _surrogates: '',
     get config() {
-        return globalThis.components?.tds.config.data || this._config;
+        return globalThis.components?.config.config || this._config;
     },
     get tds() {
         return globalThis.components?.tds.tds.data || this._tds;