diff --git a/bskyweb/templates/base.html b/bskyweb/templates/base.html
index 4fb3a20950..cd046b3bd9 100644
--- a/bskyweb/templates/base.html
+++ b/bskyweb/templates/base.html
@@ -99,6 +99,7 @@
       -webkit-font-smoothing: antialiased;
       -moz-osx-font-smoothing: grayscale;
       -ms-overflow-style: scrollbar;
+      font-synthesis-weight: none;
     }
 
     /* Remove default link styling */
diff --git a/web/index.html b/web/index.html
index 7dd0e1a729..56ab71f887 100644
--- a/web/index.html
+++ b/web/index.html
@@ -103,6 +103,7 @@
         -webkit-font-smoothing: antialiased;
         -moz-osx-font-smoothing: grayscale;
         -ms-overflow-style: scrollbar;
+        font-synthesis-weight: none;
       }
 
       /* Remove default link styling */