diff --git a/src/common/architecture/scripts/nodeWatcher/LegacyNodeWatcherScript.ts b/src/common/architecture/scripts/nodeWatcher/LegacyNodeWatcherScript.ts
index b4c07a5..211210d 100644
--- a/src/common/architecture/scripts/nodeWatcher/LegacyNodeWatcherScript.ts
+++ b/src/common/architecture/scripts/nodeWatcher/LegacyNodeWatcherScript.ts
@@ -1,4 +1,4 @@
-import NodeWatcherSingleton from '../../../nodeWatcher/NodeWatcher';
+import NodeWatcherSingleton, { NodeWatcherAdapter } from '../../../../infrastructure/presentation/nodeWatcher/NodeWatcher.adapter';
 import { ConcreteNodeWatcherScriptHandler } from './handlers/NodeWatcherScriptHandler';
 import Script from '../Script';
 
@@ -11,22 +11,28 @@
     ConcreteNodeWatcherScriptHandler<Options>
   >;
 
+  private nodeWatcher: NodeWatcherAdapter;
+
+  constructor() {
+    super();
+
+    // TODO(https://iavm.xyz/b/226): Retrieve this via constructor injection.
+    this.nodeWatcher = NodeWatcherSingleton.getInstance();
+  }
+
   /**
    * Resolves to the options when the script is executed.
    *
-   * This is so we can defer retrieving dependencies until the script is
-   * executed, to prevent loading unnecessary things if they aren't needed
-   * after all.
    */
   protected abstract optionsFactory(): Options;
 
   execute() {
-    const nodeWatcher = NodeWatcherSingleton.getInstance();
     const options = this.optionsFactory();
 
+    this.nodeWatcher.start();
     for (const [key, handlerClass] of this.handlers) {
       const handler = new handlerClass(options);
-      nodeWatcher.setHandler(key, handler);
+      this.nodeWatcher.setHandler(key, handler);
     }
   }
 }
diff --git a/src/common/architecture/scripts/nodeWatcher/handlers/CssSelectorNodeWatcherScriptHandler.ts b/src/common/architecture/scripts/nodeWatcher/handlers/CssSelectorNodeWatcherScriptHandler.ts
index b5c3698..8756b72 100644
--- a/src/common/architecture/scripts/nodeWatcher/handlers/CssSelectorNodeWatcherScriptHandler.ts
+++ b/src/common/architecture/scripts/nodeWatcher/handlers/CssSelectorNodeWatcherScriptHandler.ts
@@ -1,5 +1,5 @@
 import { NodeWatcherScriptHandler } from './NodeWatcherScriptHandler';
-import { NodeMutation, NodeMutationType } from '../../../../nodeWatcher/NodeWatcherHandler';
+import { NodeMutation, NodeMutationType } from '../../../../../presentation/nodeWatcher/NodeWatcherHandler';
 
 /**
  * @deprecated
diff --git a/src/common/architecture/scripts/nodeWatcher/handlers/NodeWatcherScriptHandler.ts b/src/common/architecture/scripts/nodeWatcher/handlers/NodeWatcherScriptHandler.ts
index 5b0fd42..712f533 100644
--- a/src/common/architecture/scripts/nodeWatcher/handlers/NodeWatcherScriptHandler.ts
+++ b/src/common/architecture/scripts/nodeWatcher/handlers/NodeWatcherScriptHandler.ts
@@ -1,4 +1,4 @@
-import { NodeMutation, NodeWatcherHandler } from "../../../../nodeWatcher/NodeWatcherHandler";
+import { NodeMutation, NodeWatcherHandler } from "../../../../../presentation/nodeWatcher/NodeWatcherHandler";
 
 export abstract class NodeWatcherScriptHandler<Options>
   implements NodeWatcherHandler