diff --git a/gtk-3.20/scss/widgets/_progress.scss b/gtk-3.20/scss/widgets/_progress.scss
index 4a8791b..893e603 100644
--- a/gtk-3.20/scss/widgets/_progress.scss
+++ b/gtk-3.20/scss/widgets/_progress.scss
@@ -338,7 +338,7 @@
         &.color {
             trough {
                 padding: 0;
-                border-color: none;
+                border: 0;
                 background-image: none;
             }