diff --git a/pysollib/tile/tkhtml.py b/pysollib/tile/tkhtml.py
index 4d820d8e..52db2367 100644
--- a/pysollib/tile/tkhtml.py
+++ b/pysollib/tile/tkhtml.py
@@ -27,15 +27,15 @@ __all__ = ['HTMLViewer']
 import os
 import sys
 from six.moves import tkinter
-import ttk
+from . import ttk
 
 # PySol imports
 from pysollib.mygettext import _
 from pysollib.mfxutil import Struct
 
 # Toolkit imports
-from tkwidget import MfxMessageDialog
-from statusbar import HtmlStatusbar
+from .tkwidget import MfxMessageDialog
+from .statusbar import HtmlStatusbar
 
 from pysollib.ui.tktile.tkhtml import Base_HTMLViewer
 
diff --git a/pysollib/tile/tkstats.py b/pysollib/tile/tkstats.py
index f17e1098..1b17c3c8 100644
--- a/pysollib/tile/tkstats.py
+++ b/pysollib/tile/tkstats.py
@@ -34,7 +34,7 @@ __all__ = ['SingleGame_StatsDialog',
 import os
 import time
 from six.moves import tkinter
-import ttk
+from . import ttk
 from six.moves import tkinter_font
 
 # PySol imports
@@ -47,7 +47,7 @@ from pysollib.settings import TOP_TITLE
 
 # Toolkit imports
 from pysollib.ui.tktile.tkutil import bind, loadImage
-from tkwidget import MfxDialog, MfxMessageDialog
+from .tkwidget import MfxDialog, MfxMessageDialog
 
 
 # ************************************************************************
diff --git a/pysollib/tile/tktree.py b/pysollib/tile/tktree.py
index 30c01250..4dc35e34 100644
--- a/pysollib/tile/tktree.py
+++ b/pysollib/tile/tktree.py
@@ -27,7 +27,7 @@ from six.moves import tkinter
 
 # Toolkit imports
 from pysollib.ui.tktile.tkutil import bind
-from tkwidget import MfxScrolledCanvas
+from .tkwidget import MfxScrolledCanvas
 
 
 # ************************************************************************
diff --git a/pysollib/tile/tkwidget.py b/pysollib/tile/tkwidget.py
index 6bd35fcc..2c287445 100644
--- a/pysollib/tile/tkwidget.py
+++ b/pysollib/tile/tkwidget.py
@@ -37,7 +37,7 @@ import os
 import time
 import locale
 from six.moves import tkinter
-import ttk
+from . import ttk
 from six.moves import tkinter_font
 import traceback