diff --git a/lib/ScaledSheet.js b/lib/ScaledSheet.js
index 2929a81..31814bb 100644
--- a/lib/ScaledSheet.js
+++ b/lib/ScaledSheet.js
@@ -1,7 +1,7 @@
 import { StyleSheet } from 'react-native';
 import deepMap from './deep-map';
 
-const validScaleSheetRegex = /^(\-?\d+(\.\d{1,3})?)@(ms(\d+(\.\d{1,2})?)?|s|vs|mvs)(r?)$/;
+const validScaleSheetRegex = /^(\-?\d+(\.\d{1,3})?)@(ms(\d+(\.\d{1,2})?)?|mvs(\d+(\.\d{1,2})?)?|s|vs)(r?)$/;
 
 const scaleByAnnotation = (scale, verticalScale, moderateScale, moderateVerticalScale) => (value) => {
     if (!validScaleSheetRegex.test(value)) {
@@ -29,8 +29,13 @@ const scaleByAnnotation = (scale, verticalScale, moderateScale, moderateVertical
             result = moderateVerticalScale(size);
             break;
         default:
-            const scaleFactor = value.split('ms')[1].replace('r', '');
-            result = moderateScale(size, parseFloat(scaleFactor));
+            if (value.includes('ms')) {
+                const scaleFactor = value.split('ms')[1].replace('r', '');
+                result = moderateScale(size, parseFloat(scaleFactor));
+            } else if (value.includes('mvs')) {
+                const scaleFactor = value.split('mvs')[1].replace('r', '');
+                result = moderateVerticalScale(size, parseFloat(scaleFactor));
+            }
     }
 
     return shouldRound ? Math.round(result) : result;
diff --git a/package.json b/package.json
index 85648db..06724ba 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-size-matters",
-  "version": "0.3.2",
+  "version": "0.3.3",
   "description": "A React-Native utility belt for scaling the size your apps UI across different sized devices",
   "main": "index.js",
   "scripts": {