diff --git a/data/theme/cinnamon-sass/widgets/_windowlist.scss b/data/theme/cinnamon-sass/widgets/_windowlist.scss
index 9461f3897c..a23da85c5c 100644
--- a/data/theme/cinnamon-sass/widgets/_windowlist.scss
+++ b/data/theme/cinnamon-sass/widgets/_windowlist.scss
@@ -72,6 +72,8 @@
       &:selected {
         background-color: $light_bg_color;
 
+        &:only-child,
+        &:first-child:last-child { border-radius: $base_border_radius; }
         &:first-child { border-radius: $base_border_radius 0 0 $base_border_radius; }
         &:last-child { border-radius: 0 $base_border_radius $base_border_radius 0; }
       }