diff --git a/src/ui_main.py b/src/ui_main.py
index 92197c9..65dcc71 100644
--- a/src/ui_main.py
+++ b/src/ui_main.py
@@ -4,6 +4,7 @@
 # IMPORTS
 import sys
 import glob
+import os
 
 try:
     import serial
@@ -78,7 +79,13 @@ def __init__(self):
         """ Initialize Main Window """
         QMainWindow.__init__(self)
 
-        loadUi('..\\ui\\main_window.ui', self)
+        file_path = os.path.join("../ui/main_window.ui")
+
+        if not os.path.exists(file_path):
+            print("UI File Not Found!")
+            sys.exit(1)
+
+        loadUi(file_path, self)
 
         PORTS = get_serial_port()