diff --git a/bootloader/crc_patch.py b/bootloader/crc_patch.py
index 16394463a86332b5ee71662f4a16e9f297fcf7d5..edaaac06b17c55af4e727a4af3014ad6e4b56de7 100644
--- a/bootloader/crc_patch.py
+++ b/bootloader/crc_patch.py
@@ -5,12 +5,12 @@ crc = 0
 
 data = open(sys.argv[1]).read()
 crc = crc16.crc16xmodem(data)
-print crc
+print(crc)
 
 padded = data + chr(crc >> 8) + chr(crc & 0xFF)
 
 crc = 0
 crc = crc16.crc16xmodem(padded)
-print crc
+print(crc)
 
 open(sys.argv[1], 'w').write(padded)