diff --git a/SRRecorderControl.m b/SRRecorderControl.m
index 17de8d6e..970302cd 100755
--- a/SRRecorderControl.m
+++ b/SRRecorderControl.m
@@ -554,8 +554,11 @@ - (void)drawBackground:(NSRect)aDirtyRect
    
     NSBezierPath* path = [NSBezierPath bezierPathWithRoundedRect:frame xRadius:corner yRadius:corner];
     path.lineWidth = 1;
-    [[[NSColor controlColor] colorWithAlphaComponent:opacity] setFill];
-    [[[NSColor grayColor] colorWithAlphaComponent:opacity] setStroke];
+   
+    CGContextSetAlpha(NSGraphicsContext.currentContext.CGContext, opacity);
+   
+    [[NSColor controlColor] setFill];
+    [[NSColor grayColor] setStroke];
     [path fill];
     [path stroke];