diff --git a/src/NetscriptJSEvaluator.ts b/src/NetscriptJSEvaluator.ts
index 3267c4e24..0295afaa9 100644
--- a/src/NetscriptJSEvaluator.ts
+++ b/src/NetscriptJSEvaluator.ts
@@ -30,6 +30,7 @@ export async function compile(player: IPlayer, script: Script, scripts: Script[]
   const uurls = _getScriptUrls(script, scripts, []);
   const url = uurls[uurls.length - 1].url;
   if (script.url && script.url !== url) {
+    URL.revokeObjectURL(script.url);
     // Thoughts: Should we be revoking any URLs here?
     // If a script is modified repeatedly between two states,
     // we could reuse the blob at a later time.
@@ -42,8 +43,9 @@ export async function compile(player: IPlayer, script: Script, scripts: Script[]
     //   });
     // }
   }
-  script.url = url;
-  script.module = new Promise((resolve) => resolve(eval("import(url)")));
+  if (script.dependencies.length > 0) script.dependencies.forEach((dep) => URL.revokeObjectURL(dep.url));
+  script.url = uurls[uurls.length - 1].url;
+  script.module = new Promise((resolve) => resolve(eval("import(uurls[uurls.length - 1].url)")));
   script.dependencies = uurls;
 }