diff --git a/lib/make/fonts.js b/lib/make/fonts.js
index 75fc1c7..b5433a2 100644
--- a/lib/make/fonts.js
+++ b/lib/make/fonts.js
@@ -31,7 +31,7 @@ make.font = {
       /* <relative-size> values */
       ["larger", "smaller"],
       /* <length> values */
-      make.numbers.unsignedNumber() + make.units.lengthUnit(),
+      make.numbers.unsignedNumber() + make.units.units(),
       /* <percentage> values */
       make.units.percent(),
       /* Global values */
diff --git a/lib/make/units.js b/lib/make/units.js
index af04948..a4f25e5 100644
--- a/lib/make/units.js
+++ b/lib/make/units.js
@@ -2,14 +2,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-make.units = {
-  lengthUnit: function () {
+make.unit = {
+  units: function () {
     return random.pick([
       "px", "em", "ex", "ch", "rem", "mm", "cm", "in", "pt", "pc", "%"
     ]);
   },
   length: function () {
-    return make.numbers.number() + make.units.lengthUnit();
+    return make.numbers.number() + make.units.units();
   },
   percent: function () {
     return make.numbers.number() + "%";