diff --git a/main.py b/main.py
index 03f82f5..aadb113 100644
--- a/main.py
+++ b/main.py
@@ -3,7 +3,8 @@ import sys
 
 from main.astrodatagui.AstrodataGUI import AstrodataGUI
 
-app = QtWidgets.QApplication(sys.argv)
-window = AstrodataGUI()
+if __name__ == "__main__":
+    app = QtWidgets.QApplication(sys.argv)
+    window = AstrodataGUI()
 
-app.exec_()
\ No newline at end of file
+    app.exec_()
\ No newline at end of file