diff --git a/source/scss/font-awesome.scss b/source/scss/font-awesome.scss
index 7ee7284..70170c7 100644
--- a/source/scss/font-awesome.scss
+++ b/source/scss/font-awesome.scss
@@ -23,5 +23,6 @@
 .#{$fa-css-prefix}-google-plus:before { content: $fa-var-google-plus; }
 .#{$fa-css-prefix}-linkedin:before { content: $fa-var-linkedin; }
 .#{$fa-css-prefix}-rss:before { content: $fa-var-rss; }
+.#{$fa-css-prefix}-rss-square:before { content: $fa-var-rss-square; }
 .#{$fa-css-prefix}-twitter:before { content: $fa-var-twitter; }
 @import "node_modules/font-awesome/scss/screen-reader";