diff --git a/src/scrollsnap-polyfill.js b/src/scrollsnap-polyfill.js
index d46f4ad..af675d0 100644
--- a/src/scrollsnap-polyfill.js
+++ b/src/scrollsnap-polyfill.js
@@ -438,7 +438,7 @@
    */
   function parseSnapCoordValue(declaration) {
     // regex to parse lengths
-    var regex = /(\d+)(px|%) (\d+)(px|%)/g,
+    var regex = /(\d+(?:\.\d*)?)(px|%) (\d+(?:\.\d*))(px|%)/g,
         // defaults
         parsed = {y: {value: 0, unit: 'px'},
                   x: {value: 0, unit: 'px'}},