diff --git a/src/file/assets/not-an-image.png b/src/file/assets/not-an-image.png
new file mode 100644
index 000000000..cfbc04fcc
--- /dev/null
+++ b/src/file/assets/not-an-image.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bc2bc9656bc98009e2e7b58959a4ce2a0ecbd3ec00519118e8b2a0eca0356d9c
+size 4711
diff --git a/src/file/server.ts b/src/file/server.ts
index 2007667a8..449fa2d74 100644
--- a/src/file/server.ts
+++ b/src/file/server.ts
@@ -54,7 +54,7 @@ async function raw(data: Buffer, type: string, download: boolean, res: express.R
 
 async function thumbnail(data: Buffer, type: string, resize: number, res: express.Response): Promise<any> {
 	if (!/^image\/.*$/.test(type)) {
-		data = fs.readFileSync(`${__dirname}/assets/dummy.png`);
+		data = fs.readFileSync(`${__dirname}/assets/not-an-image.png`);
 	}
 
 	let g = gm(data);