diff --git a/src/client/client.ts b/src/client/client.ts
index 77f52a6..4e7f327 100644
--- a/src/client/client.ts
+++ b/src/client/client.ts
@@ -310,7 +310,7 @@ export class ScramjetClient {
 					}
 				}
 
-				delete Error.prepareStackTrace;
+				Error.prepareStackTrace = pst;
 
 				if (earlyreturn) {
 					return returnValue;
diff --git a/src/client/shared/sourcemaps.ts b/src/client/shared/sourcemaps.ts
index 135c097..b0bfded 100644
--- a/src/client/shared/sourcemaps.ts
+++ b/src/client/shared/sourcemaps.ts
@@ -5,7 +5,7 @@ let sourcemaps: {
 	map: [string, number, number][];
 }[] = [];
 
-export const enabled = self.$scramjet.config.flags.sourcemaps;
+export const enabled = () => self.$scramjet.config.flags.sourcemaps;
 
 export default function (client: ScramjetClient, self: Self) {
 	// every script will push a sourcemap