diff --git a/PIL/Image.py b/PIL/Image.py
index af6dac1c4..3865e9c0f 100644
--- a/PIL/Image.py
+++ b/PIL/Image.py
@@ -32,6 +32,7 @@ import logging
 import warnings
 
 logger = logging.getLogger(__name__)
+logger.addHandler(logging.NullHandler())
 
 
 class DecompressionBombWarning(RuntimeWarning):
diff --git a/PIL/ImageFile.py b/PIL/ImageFile.py
index f26a7260e..88952649d 100644
--- a/PIL/ImageFile.py
+++ b/PIL/ImageFile.py
@@ -36,6 +36,7 @@ import sys
 import struct
 
 logger = logging.getLogger(__name__)
+logger.addHandler(logging.NullHandler())
 
 MAXBLOCK = 65536
 
diff --git a/PIL/PcxImagePlugin.py b/PIL/PcxImagePlugin.py
index 9440d5362..ef057ed11 100644
--- a/PIL/PcxImagePlugin.py
+++ b/PIL/PcxImagePlugin.py
@@ -31,6 +31,7 @@ import logging
 from PIL import Image, ImageFile, ImagePalette, _binary
 
 logger = logging.getLogger(__name__)
+logger.addHandler(logging.NullHandler())
 
 i8 = _binary.i8
 i16 = _binary.i16le
diff --git a/PIL/PngImagePlugin.py b/PIL/PngImagePlugin.py
index d6778821b..ec7c4c59b 100644
--- a/PIL/PngImagePlugin.py
+++ b/PIL/PngImagePlugin.py
@@ -42,6 +42,7 @@ from PIL import Image, ImageFile, ImagePalette, _binary
 __version__ = "0.9"
 
 logger = logging.getLogger(__name__)
+logger.addHandler(logging.NullHandler())
 
 i8 = _binary.i8
 i16 = _binary.i16be
diff --git a/PIL/PyAccess.py b/PIL/PyAccess.py
index 0d4c8b235..8c1e4558d 100644
--- a/PIL/PyAccess.py
+++ b/PIL/PyAccess.py
@@ -29,6 +29,7 @@ from cffi import FFI
 
 
 logger = logging.getLogger(__name__)
+logger.addHandler(logging.NullHandler())
 
 
 defs = """
diff --git a/Tests/test_file_libtiff.py b/Tests/test_file_libtiff.py
index f900b97cf..2abf605b4 100644
--- a/Tests/test_file_libtiff.py
+++ b/Tests/test_file_libtiff.py
@@ -10,6 +10,7 @@ import os
 from PIL import Image, TiffImagePlugin
 
 logger = logging.getLogger(__name__)
+logger.addHandler(logging.NullHandler())
 
 
 class LibTiffTestCase(PillowTestCase):
diff --git a/Tests/test_file_tiff.py b/Tests/test_file_tiff.py
index 308783fb3..9141668c3 100644
--- a/Tests/test_file_tiff.py
+++ b/Tests/test_file_tiff.py
@@ -7,6 +7,7 @@ from helper import unittest, PillowTestCase, hopper, py3
 from PIL import Image, TiffImagePlugin
 
 logger = logging.getLogger(__name__)
+logger.addHandler(logging.NullHandler())
 
 
 class TestFileTiff(PillowTestCase):