diff --git a/bot.py b/bot.py
index 6177f1c6..cceba457 100644
--- a/bot.py
+++ b/bot.py
@@ -477,7 +477,7 @@ def getrygimage():
telegram.sendmessage("Puoi mettere solo due lettere.")
else:
directory = "/var/www/html/rygimages/{}.png"
- infile = b" " % cmd[1].encode()
+ infile = " ".format(cmd[1]).encode()
try:
outfile = open(directory.format(cmd[1]), "x")
outfile.close()