diff --git a/plumbum/paramiko_machine.py b/plumbum/paramiko_machine.py
index acc3666..e04c795 100644
--- a/plumbum/paramiko_machine.py
+++ b/plumbum/paramiko_machine.py
@@ -71,7 +71,7 @@ class ParamikoPopen(object):
line = infile.readline()
except (ValueError, IOError):
line = None
- print "!!", repr(line)
+ print("!! %s", (repr(line),))
if not line:
infile.close()
infile = None