diff --git a/gtk-3.20/scss/widgets/_progress.scss b/gtk-3.20/scss/widgets/_progress.scss
index bf67a5f..56b3bd5 100644
--- a/gtk-3.20/scss/widgets/_progress.scss
+++ b/gtk-3.20/scss/widgets/_progress.scss
@@ -90,6 +90,7 @@
         block {
             @include linear-gradient($selected_bg_color);
 
+            border-color: transparent;
             border-radius: 0;
 
             &.low {