diff --git a/grum.py b/grum.py
index 501da41..ab409f5 100755
--- a/grum.py
+++ b/grum.py
@@ -3,9 +3,9 @@
 import sys
 from PyQt5.QtWidgets import QApplication
 
-import ctrl_c
-import theme
-from mainwin import MainWindow
+from grum import ctrl_c
+from grum import theme
+from grum.mainwin import MainWindow
 
 
 app = QApplication(sys.argv)
diff --git a/grum/__init__.py b/grum/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/assets.py b/grum/assets.py
similarity index 100%
rename from assets.py
rename to grum/assets.py
diff --git a/assets/char.png b/grum/assets/char.png
similarity index 100%
rename from assets/char.png
rename to grum/assets/char.png
diff --git a/assets/icon.png b/grum/assets/icon.png
similarity index 100%
rename from assets/icon.png
rename to grum/assets/icon.png
diff --git a/assets/logo.png b/grum/assets/logo.png
similarity index 100%
rename from assets/logo.png
rename to grum/assets/logo.png
diff --git a/ctrl_c.py b/grum/ctrl_c.py
similarity index 100%
rename from ctrl_c.py
rename to grum/ctrl_c.py
diff --git a/dictlist.py b/grum/dictlist.py
similarity index 100%
rename from dictlist.py
rename to grum/dictlist.py
diff --git a/exampledata.py b/grum/exampledata.py
similarity index 90%
rename from exampledata.py
rename to grum/exampledata.py
index c60c84a..65d8942 100644
--- a/exampledata.py
+++ b/grum/exampledata.py
@@ -1,5 +1,5 @@
 import numpy as np
-from plotdesc import PlotDescription
+from .plotdesc import PlotDescription
 
 
 X = np.arange(100) / 10
diff --git a/mainwin.py b/grum/mainwin.py
similarity index 88%
rename from mainwin.py
rename to grum/mainwin.py
index 5c66198..e9685bd 100644
--- a/mainwin.py
+++ b/grum/mainwin.py
@@ -1,13 +1,13 @@
 from PyQt5.QtCore import Qt, pyqtSignal
 from PyQt5.QtWidgets import QMainWindow, QSplitter
 
-import assets
-from dictlist import DictList
-from mdiarea import MDIArea
-from mdisubplot import MDISubPlot
-from rpcserverthread import RPCServerThread
-from plotdesc import PlotDescription
-from exampledata import exampledata
+from . import assets
+from .dictlist import DictList
+from .mdiarea import MDIArea
+from .mdisubplot import MDISubPlot
+from .rpcserverthread import RPCServerThread
+from .plotdesc import PlotDescription
+from .exampledata import exampledata
 
 
 class MainWindow(QMainWindow):
diff --git a/mdiarea.py b/grum/mdiarea.py
similarity index 96%
rename from mdiarea.py
rename to grum/mdiarea.py
index 316c4e2..c88c760 100644
--- a/mdiarea.py
+++ b/grum/mdiarea.py
@@ -1,8 +1,8 @@
 from PyQt5.QtWidgets import QMdiArea, QAction
 from PyQt5.QtGui import QPainter
 
-import assets
-from theme import MDI_BKG
+from . import assets
+from .theme import MDI_BKG
 
 
 class MDIArea(QMdiArea):
diff --git a/mdisubplot.py b/grum/mdisubplot.py
similarity index 96%
rename from mdisubplot.py
rename to grum/mdisubplot.py
index e7779d7..a135111 100644
--- a/mdisubplot.py
+++ b/grum/mdisubplot.py
@@ -1,7 +1,7 @@
 from PyQt5.QtCore import Qt
 from PyQt5.QtWidgets import QMdiSubWindow
 import pyqtgraph as pg
-import assets
+from . import assets
 
 
 class MDISubPlot(QMdiSubWindow):
diff --git a/plotdesc.py b/grum/plotdesc.py
similarity index 95%
rename from plotdesc.py
rename to grum/plotdesc.py
index 945681d..49882ae 100644
--- a/plotdesc.py
+++ b/grum/plotdesc.py
@@ -1,4 +1,4 @@
-from theme import pg_plot_style
+from .theme import pg_plot_style
 
 
 class PlotDescription:
diff --git a/rpcclient.py b/grum/rpcclient.py
similarity index 100%
rename from rpcclient.py
rename to grum/rpcclient.py
diff --git a/rpcserver.py b/grum/rpcserver.py
similarity index 100%
rename from rpcserver.py
rename to grum/rpcserver.py
diff --git a/rpcserverthread.py b/grum/rpcserverthread.py
similarity index 97%
rename from rpcserverthread.py
rename to grum/rpcserverthread.py
index b0640d5..631be7f 100644
--- a/rpcserverthread.py
+++ b/grum/rpcserverthread.py
@@ -1,6 +1,6 @@
 import atexit
 from threading import Thread
-from rpcserver import RPCServer
+from .rpcserver import RPCServer
 
 
 class RPCServerThread(Thread):
diff --git a/theme.py b/grum/theme.py
similarity index 100%
rename from theme.py
rename to grum/theme.py