diff --git a/built/index.js b/built/index.js
index 1433d3b..84b8227 100644
--- a/built/index.js
+++ b/built/index.js
@@ -158,8 +158,12 @@ async function proxyHandler(request, reply) {
         if ('cleanup' in file) {
             if ('pipe' in image.data && typeof image.data.pipe === 'function') {
                 // image.dataがstreamなら、stream終了後にcleanup
-                image.data.on('end', file.cleanup);
-                image.data.on('close', file.cleanup);
+                const cleanup = () => {
+                    file.cleanup();
+                    image = null;
+                };
+                image.data.on('end', cleanup);
+                image.data.on('close', cleanup);
             }
             else {
                 // image.dataがstreamでないなら直ちにcleanup
diff --git a/package.json b/package.json
index 3610791..7d0540a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "misskey-media-proxy",
-  "version": "0.0.5",
+  "version": "0.0.6",
   "description": "The Media Proxy for Misskey",
   "main": "built/index.js",
   "packageManager": "pnpm@7.26.0",
diff --git a/src/index.ts b/src/index.ts
index 2317d31..09ef82c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -204,8 +204,12 @@ async function proxyHandler(request: FastifyRequest<{ Params: { url: string; };
         if ('cleanup' in file) {
             if ('pipe' in image.data && typeof image.data.pipe === 'function') {
                 // image.dataがstreamなら、stream終了後にcleanup
-                image.data.on('end', file.cleanup);
-                image.data.on('close', file.cleanup);
+                const cleanup = () => {
+                    file.cleanup();
+                    image = null;
+                }
+                image.data.on('end', cleanup);
+                image.data.on('close', cleanup);
             } else {
                 // image.dataがstreamでないなら直ちにcleanup
                 file.cleanup();