diff --git a/src/functional_tests/test_room_sig_select.py b/src/functional_tests/test_room_sig_select.py
index 1bdfce1..a301a7d 100644
--- a/src/functional_tests/test_room_sig_select.py
+++ b/src/functional_tests/test_room_sig_select.py
@@ -257,13 +257,13 @@ class SigSelectChannelsTest(ChannelsFunctionalTest):
             )
 
             reserved_card = self.browser.find_element(By.CSS_SELECTOR, reserved_card_sel)
-            border_color = self.browser.execute_script(
-                "return window.getComputedStyle(arguments[0]).borderTopColor",
+            box_shadow = self.browser.execute_script(
+                "return window.getComputedStyle(arguments[0]).boxShadow",
                 reserved_card,
             )
-            self.assertEqual(
-                border_color, "rgb(255, 207, 52)",
-                f"Expected --priYl border for NC reservation, got {border_color}",
+            self.assertIn(
+                "255, 207, 52", box_shadow,
+                f"Expected --priYl (255,207,52) in box-shadow for NC reservation, got {box_shadow}",
             )
 
         finally: