diff --git a/astrodatagui/AstrodataGUI.py b/astrodatagui/AstrodataGUI.py
index bc36895..dc52096 100644
--- a/astrodatagui/AstrodataGUI.py
+++ b/astrodatagui/AstrodataGUI.py
@@ -1,7 +1,10 @@
 from PyQt5 import QtWidgets, uic
+import os
 
 class AstrodataGUI(QtWidgets.QMainWindow):
     def __init__(self):
         super(AstrodataGUI, self).__init__()
-        uic.loadUi("astrodatagui.ui", self)
+        classFileDir = os.path.dirname(os.path.abspath(__file__))
+        absUiFilePath = os.path.join(classFileDir, "astrodatagui.ui")
+        uic.loadUi(absUiFilePath, self)
         self.show()
\ No newline at end of file
diff --git a/astrodatagui/astrodatagui.ui b/astrodatagui/astrodatagui.ui
index 1e185e8..d4c8265 100644
--- a/astrodatagui/astrodatagui.ui
+++ b/astrodatagui/astrodatagui.ui
@@ -232,7 +232,7 @@
   <customwidget>
    <class>FlaredetectorWidget</class>
    <extends>QWidget</extends>
-   <header>ui.FlaredetectorWidget</header>
+   <header>astrodatagui.ui.FlaredetectorWidget</header>
    <container>1</container>
   </customwidget>
  </customwidgets>
diff --git a/astrodatagui/main.py b/astrodatagui/main.py
deleted file mode 100644
index 8b13789..0000000
--- a/astrodatagui/main.py
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..edd6b63
--- /dev/null
+++ b/main.py
@@ -0,0 +1,9 @@
+from PyQt5 import QtWidgets
+import sys
+
+from astrodatagui.AstrodataGUI import AstrodataGUI
+
+app = QtWidgets.QApplication(sys.argv)
+window = AstrodataGUI()
+
+app.exec_()
\ No newline at end of file