diff --git a/src/slic3r/Utils/MacDarkMode.mm b/src/slic3r/Utils/MacDarkMode.mm
index 7e70422160..1730d4a885 100644
--- a/src/slic3r/Utils/MacDarkMode.mm
+++ b/src/slic3r/Utils/MacDarkMode.mm
@@ -37,6 +37,11 @@ double mac_max_scaling_factor()
     
 void set_miniaturizable(void * window)
 {
+    CGFloat rFloat = 38/255.0;
+    CGFloat gFloat = 46/255.0;
+    CGFloat bFloat = 48/255.0;
+    [(NSView*) window window].titlebarAppearsTransparent = true;
+    [(NSView*) window window].backgroundColor = [NSColor colorWithCalibratedRed:rFloat green:gFloat blue:bFloat alpha:1.0];
     [(NSView*) window window].styleMask |= NSMiniaturizableWindowMask;
 }