diff --git a/game/scripts/interface/color_picker.rpy b/game/scripts/interface/color_picker.rpy
index c75bbfb9..46d88932 100644
--- a/game/scripts/interface/color_picker.rpy
+++ b/game/scripts/interface/color_picker.rpy
@@ -12,7 +12,7 @@ screen color_picker(color, alpha, title, pos_xy, color_default):
     default hue = 0
     default sat = 0
     default val = 0
-    default _alpha = 0 # Avoid name conflict with 'alpha' screen variable in other active screens
+    default alpha_ = 0 # Avoid name conflict with 'alpha' screen variable in other active screens
     default edit_mode = False
     default preview_old = Solid(rgba)
     $ preview_new = Solid(rgba)
@@ -213,7 +213,7 @@ screen color_picker(color, alpha, title, pos_xy, color_default):
                                 Transform(alpha_gradient_image, matrixcolor=ColorizeMatrix(rgba, rgba)))
                     bar:
                         xysize (255, 30)
-                        value ScreenVariableValue("_alpha", range=1.0, action=Function(color_picker_update_rgba))
+                        value ScreenVariableValue("alpha_", range=1.0, action=Function(color_picker_update_rgba))
                         base_bar icon_frame
                         thumb Image(gui.format("interface/color_picker/{}/cursor_v.webp"), xalign=0.5)
                         thumb_offset 0
@@ -309,7 +309,7 @@ init -1 python:
         scope["hue"] = 1 - h
         scope["sat"] = s
         scope["val"] = v
-        scope["_alpha"] = a / 255.0
+        scope["alpha_"] = a / 255.0
 
     def color_picker_update_rgba():
         scope = renpy.get_screen("color_picker").scope
@@ -317,7 +317,7 @@ init -1 python:
         r = int(r * 255)
         g = int(g * 255)
         b = int(b * 255)
-        a = int(scope["_alpha"] * 255)
+        a = int(scope["alpha_"] * 255)
         scope["rgba"] = (r, g, b, a)
         update_picking_color(scope["rgba"])
         renpy.restart_interaction()