diff --git a/tools/python/log2txt.py b/tools/python/log2txt.py
index 8baa548c29..375ec6af08 100755
--- a/tools/python/log2txt.py
+++ b/tools/python/log2txt.py
@@ -10,6 +10,8 @@
 #                    if no columns listed, all columns are included
 # Author:  Steve Plimpton (Sandia), sjplimp at sandia.gov
 
+from __future__ import print_function
+
 import sys,os
 path = os.environ["LAMMPS_PYTHON_TOOLS"]
 sys.path.append(path)
diff --git a/tools/python/pizza/log.py b/tools/python/pizza/log.py
index 4846353e44..a2a6c54beb 100644
--- a/tools/python/pizza/log.py
+++ b/tools/python/pizza/log.py
@@ -6,6 +6,8 @@
 # certain rights in this software.  This software is distributed under
 # the GNU General Public License.
 
+from __future__ import print_function
+
 # log tool
 
 oneline = "Read LAMMPS log files and extract thermodynamic data"