diff --git a/tasks/engines/fontforge/generate.py b/tasks/engines/fontforge/generate.py
index 4403da5..7464eb7 100644
--- a/tasks/engines/fontforge/generate.py
+++ b/tasks/engines/fontforge/generate.py
@@ -74,6 +74,9 @@ def create_empty_char(f, c):
 
             if args['normalize']:
                 glyph.left_side_bearing = glyph.right_side_bearing = 0
+            elif name[1:] in args['zerowidth']:
+                glyph.left_side_bearing = glyph.right_side_bearing = 0
+                glyph.width = 0
             else:
                 glyph.width = args['fontHeight']
 
diff --git a/tasks/webfonts.js b/tasks/webfonts.js
index 5071025..d49ab92 100644
--- a/tasks/webfonts.js
+++ b/tasks/webfonts.js
@@ -141,6 +141,7 @@ module.exports = function webFonts(grunt) {
       ie7: options.ie7 === true,
       centerHorizontally: options.centerHorizontally === true,
       normalize: options.normalize === true,
+      zerowidth: options.zerowidth || [],
       round: options.round !== undefined ? options.round : 10e12,
       fontHeight: options.fontHeight !== undefined ? options.fontHeight : 512,
       descent: options.descent !== undefined ? options.descent : 64,