diff --git a/main.py b/main.py
index d7c5e93b..ad67818b 100644
--- a/main.py
+++ b/main.py
@@ -212,7 +212,7 @@ def callbackDisableConfigWindowCompactMode():
 def callbackSetTransparency(value):
     print("callbackSetTransparency", int(value))
     config.TRANSPARENCY = int(value)
-    # self.parent.wm_attributes("-alpha", int(value/100))
+    view.updateConfigWindowTransparency()
 
 def callbackSetAppearance(value):
     print("callbackSetAppearance", value)
diff --git a/view.py b/view.py
index 25bd3b15..3221b6ef 100644
--- a/view.py
+++ b/view.py
@@ -410,6 +410,10 @@ class View():
 
 
     # Config Window
+    @staticmethod
+    def updateConfigWindowTransparency():
+        vrct_gui.wm_attributes("-alpha", config.TRANSPARENCY/100)
+
     def setConfigWindowCompactModeSwitchStatusToDisabled(self):
         vrct_gui.config_window.setting_box_compact_mode_switch_box.configure(state="disabled")