diff -aur drive.orig/drive-server/main.go drive.new/drive-server/main.go
--- drive.orig/drive-server/main.go	2021-02-20 17:10:39.616416192 +0100
+++ drive.new/drive-server/main.go	2021-02-20 17:13:34.942133037 +0100
@@ -111,7 +111,7 @@
 	}
 
 	uri := pl.URI
-	pngImage, err := qrcode.Encode(uri, 256)
+	pngImage, err := qrcode.Encode(uri, qrcode.Medium, 256)
 	if err != nil {
 		fmt.Fprintf(res, "%s %v\n", uri, err)
 		return