diff --git a/server/utils/sys.py b/server/utils/sys.py
index 0ddbb5da..88aab5f7 100644
--- a/server/utils/sys.py
+++ b/server/utils/sys.py
@@ -31,7 +31,7 @@
 
 class SysUtils:
     def __init__(self):
-        if sys.path[-1] != self.public_folder():
+        if self.public_folder() not in sys.path:
             sys.path.append(self.public_folder())
 
     @staticmethod