diff --git a/fonts/resources/fixedsys/fixedsys.ttf b/fonts/resources/fixedsys/fixedsys.ttf
deleted file mode 100755
index 7d6946d..0000000
Binary files a/fonts/resources/fixedsys/fixedsys.ttf and /dev/null differ
diff --git a/fonts/resources/fixedsys/fixedsys.woff b/fonts/resources/fixedsys/fixedsys.woff
new file mode 100644
index 0000000..3cb49f1
Binary files /dev/null and b/fonts/resources/fixedsys/fixedsys.woff differ
diff --git a/fonts/stylesheets/fonts.less b/fonts/stylesheets/fonts.less
index ff213cf..a1c9a6d 100755
--- a/fonts/stylesheets/fonts.less
+++ b/fonts/stylesheets/fonts.less
@@ -66,7 +66,7 @@
 .font ( 'fira', bold, normal, 'fira/fira-bold.woff' );
 .font ( 'fira', normal, normal, 'fira/fira.woff' );
 
-.font ( 'fixedsys', normal, normal, 'fixedsys/fixedsys.ttf' );
+.font ( 'fixedsys', normal, normal, 'fixedsys/fixedsys.woff' );
 
 .font ( 'generic', normal, normal, 'generic/generic.otf' );
 
diff --git a/fonts/stylesheets/stylesheet.css b/fonts/stylesheets/stylesheet.css
index c1b624b..bec545d 100755
--- a/fonts/stylesheets/stylesheet.css
+++ b/fonts/stylesheets/stylesheet.css
@@ -248,7 +248,7 @@
   font-family: 'fixedsys';
   font-weight: normal;
   font-style: normal;
-  src: url('../resources/fixedsys/fixedsys.ttf');
+  src: url('../resources/fixedsys/fixedsys.woff');
 }
 @font-face {
   font-family: 'generic';