diff --git a/src/blackgui/share/qss/stdwidget.qss b/src/blackgui/share/qss/stdwidget.qss
index 6e97b8ef6..606df07b7 100644
--- a/src/blackgui/share/qss/stdwidget.qss
+++ b/src/blackgui/share/qss/stdwidget.qss
@@ -286,6 +286,7 @@ QComboBox {
   border-radius: 5px;
   padding: 1px;
   background: transparent;
+  selection-background-color: #3f98ff;
 }
 
 /* drop down list */