diff --git a/framework/core/less/admin/app.less b/framework/core/less/admin/app.less
index 8af772872..4af6c53a2 100644
--- a/framework/core/less/admin/app.less
+++ b/framework/core/less/admin/app.less
@@ -9,7 +9,7 @@
 @import "@{lib-path}/font-awesome/font-awesome.less";
 @fa-font-path: "/assets/fonts";
 
-@import url(http://fonts.googleapis.com/css?family=Open+Sans:400italic,700italic,400,700,300);
+@import url(http://fonts.googleapis.com/css?family=Open+Sans:400italic,700italic,400,700,300,600);
 
 // Finally, with our vendor CSS loaded, we can import Flarum-specific stuff.
 @import "@{lib-path}/components.less";
diff --git a/framework/core/less/forum/app.less b/framework/core/less/forum/app.less
index 876f5aab5..d71f6f25c 100644
--- a/framework/core/less/forum/app.less
+++ b/framework/core/less/forum/app.less
@@ -9,7 +9,7 @@
 @import "@{lib-path}/font-awesome/font-awesome.less";
 @fa-font-path: "/assets/fonts";
 
-@import url(http://fonts.googleapis.com/css?family=Open+Sans:400italic,700italic,400,700,300);
+@import url(http://fonts.googleapis.com/css?family=Open+Sans:400italic,700italic,400,700,600,300);
 
 // Finally, with our vendor CSS loaded, we can import Flarum-specific stuff.
 @import "@{lib-path}/components.less";