diff --git a/src/NetscriptFunctions.js b/src/NetscriptFunctions.js
index 5fef44888..5b6f6bb8d 100644
--- a/src/NetscriptFunctions.js
+++ b/src/NetscriptFunctions.js
@@ -1901,6 +1901,7 @@ function NetscriptFunctions(workerScript) {
                     }
                     mode === "w" ? script.code = data : script.code += data;
                     script.updateRamUsage(server.scripts);
+                    script.markUpdated();
                 } else {
                     // Write to text file
                     let txtFile = getTextFile(fn, server);
diff --git a/src/Script/Script.ts b/src/Script/Script.ts
index 3b9df8135..6e11fd08b 100644
--- a/src/Script/Script.ts
+++ b/src/Script/Script.ts
@@ -79,6 +79,14 @@ export class Script {
         }
     }
 
+    /**
+     * Marks this script as having been updated. It will be recompiled next time something tries
+     * to exec it.
+     */
+    markUpdated() {
+        this.module = "";
+    }
+
     /**
      * Save a script from the script editor
      * @param {string} code - The new contents of the script
@@ -96,7 +104,7 @@ export class Script {
             }
     		this.filename = filenameElem!.value;
     		this.server = serverIp;
-            this.updateRamUsage(otherScripts);
+    		this.updateRamUsage(otherScripts);
             this.markUpdated();
     	}
     }