diff --git a/elements/Image.js b/elements/Image.js
index 05fdcc27..47871e23 100644
--- a/elements/Image.js
+++ b/elements/Image.js
@@ -18,11 +18,15 @@ class Image extends Shape {
         height: numberProp.isRequired,
         href: PropTypes.oneOfType([
             PropTypes.number,
-            PropTypes.shape({
-                uri: PropTypes.string.isRequired,
-                width: PropTypes.number.isRequired,
-                height: PropTypes.number.isRequired
-            })
+            function(props, propName, componentName) {
+                if (Object.keys(props[propName]).length != 1 ||
+                    !/^\s*data:([a-z]+\/[a-z]+(;[a-z\-]+\=[a-z\-]+)?)?(;base64)?,[a-z0-9\!\$\&\'\,\(\)\*\+\,\;\=\-\.\_\~\:\@\/\?\%\s]*\s*$/i.test(props[propName].uri)) {
+                    return new Error(
+                        'Invalid prop `' + propName + '` supplied to' +
+                        ' `' + componentName + '`. Validation failed.'
+                    );
+                }
+            }
         ]).isRequired,
         preserveAspectRatio: PropTypes.string
     };