diff --git a/core/overlay_window.py b/core/overlay_window.py
index 2268101..8d19648 100644
--- a/core/overlay_window.py
+++ b/core/overlay_window.py
@@ -899,7 +899,7 @@ class OverlayWindow(QMainWindow):
                     font-weight: bold;
                     font-size: 10px;
                     padding: 8px 4px 4px 4px;
-                    border-bottom: 1px solid {c['border_color']};
+                    border-bottom: 1px solid {c['border_default']};
                 """)
                 plugins_layout.addWidget(core_header)
                 
@@ -914,7 +914,7 @@ class OverlayWindow(QMainWindow):
                     font-weight: bold;
                     font-size: 10px;
                     padding: 16px 4px 4px 4px;
-                    border-bottom: 1px solid {c['border_color']};
+                    border-bottom: 1px solid {c['border_default']};
                 """)
                 plugins_layout.addWidget(test_header)
                 
@@ -929,7 +929,7 @@ class OverlayWindow(QMainWindow):
                     font-weight: bold;
                     font-size: 10px;
                     padding: 16px 4px 4px 4px;
-                    border-bottom: 1px solid {c['border_color']};
+                    border-bottom: 1px solid {c['border_default']};
                 """)
                 plugins_layout.addWidget(other_header)
                 
@@ -1107,7 +1107,7 @@ class OverlayWindow(QMainWindow):
                         font-weight: bold;
                         font-size: 10px;
                         padding: 12px 4px 4px 4px;
-                        border-bottom: 1px solid {c['border_color']};
+                        border-bottom: 1px solid {c['border_default']};
                     """)
                     hotkeys_layout.addWidget(scope_header)
                     
@@ -1143,7 +1143,7 @@ class OverlayWindow(QMainWindow):
                             background-color: {c['bg_primary']};
                             padding: 4px 10px;
                             border-radius: 4px;
-                            border: 1px solid {c['border_color']};
+                            border: 1px solid {c['border_default']};
                         """)
                         row_layout.addWidget(key_label)