diff --git a/src/plugins/styles/mac/qmacstyle_mac.mm b/src/plugins/styles/mac/qmacstyle_mac.mm
index 0fcfbb68f4f..afa72b3f09b 100644
--- a/src/plugins/styles/mac/qmacstyle_mac.mm
+++ b/src/plugins/styles/mac/qmacstyle_mac.mm
@@ -3284,7 +3284,7 @@ void QMacStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPai
         NSButtonCell *triangleCell = static_cast<NSButtonCell *>(d->cocoaCell(cw));
         [triangleCell setState:(opt->state & State_Open) ? NSControlStateValueOn : NSControlStateValueOff];
         bool viewHasFocus = (w && w->hasFocus()) || (opt->state & State_HasFocus);
-        [triangleCell setBackgroundStyle:((opt->state & State_Selected) && viewHasFocus) ? NSBackgroundStyleDark : NSBackgroundStyleLight];
+        [triangleCell setBackgroundStyle:((opt->state & State_Selected) && viewHasFocus) ? NSBackgroundStyleEmphasized : NSBackgroundStyleNormal];
 
         d->setupNSGraphicsContext(cg, NO);