diff --git a/android/src/main/java/com/horcrux/svg/ImageShadowNode.java b/android/src/main/java/com/horcrux/svg/ImageShadowNode.java
index fbe7901e..e454a2c0 100644
--- a/android/src/main/java/com/horcrux/svg/ImageShadowNode.java
+++ b/android/src/main/java/com/horcrux/svg/ImageShadowNode.java
@@ -87,7 +87,12 @@ public class ImageShadowNode extends RenderableShadowNode {
                 return;
             }
 
-            mImageRatio = (float)src.getInt("width") / (float)src.getInt("height");
+            if (src.hasKey("width") && src.hasKey("height")) {
+                mImageRatio = (float)src.getInt("width") / (float)src.getInt("height");
+            }
+            else {
+                mImageRatio = (float)0.0;
+            }
             mUri = Uri.parse(uriString);
         }
     }
@@ -168,7 +173,7 @@ public class ImageShadowNode extends RenderableShadowNode {
         float rectRatio = rectWidth / rectHeight;
         RectF renderRect;
 
-        if (mImageRatio == rectRatio) {
+        if (mImageRatio == 0.0 || mImageRatio == rectRatio) {
             renderRect = new RectF(rect);
         } else if (mImageRatio < rectRatio) {
             renderRect = new RectF(0, 0, (int)(rectHeight * mImageRatio), (int)rectHeight);
diff --git a/elements/Image.js b/elements/Image.js
index 537381fe..65f1d348 100644
--- a/elements/Image.js
+++ b/elements/Image.js
@@ -18,7 +18,18 @@ export default class extends Shape {
         y: numberProp,
         width: numberProp.isRequired,
         height: numberProp.isRequired,
-        href: PropTypes.number.isRequired,
+        href: PropTypes.oneOfType([
+            PropTypes.number,
+            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
     };
 
diff --git a/ios/Elements/RNSVGImage.m b/ios/Elements/RNSVGImage.m
index 6a3a92a7..d5d714c7 100644
--- a/ios/Elements/RNSVGImage.m
+++ b/ios/Elements/RNSVGImage.m
@@ -26,7 +26,14 @@
     _src = src;
     CGImageRelease(_image);
     RCTImageSource *source = [RCTConvert RCTImageSource:src];
-    _imageRatio = source.size.width / source.size.height;
+    if (source.size.width != 0 && source.size.height != 0)
+    {
+        _imageRatio = source.size.width / source.size.height;
+    }
+    else
+    {
+        _imageRatio = 0.0
+    }
     _image = CGImageRetain([RCTConvert CGImage:src]);
     [self invalidate];
 }
@@ -111,7 +118,7 @@
     CGFloat rectRatio = rectWidth / rectHeight;
     CGRect renderRect;
     
-    if (imageRatio == rectRatio) {
+    if (imageRatio == 0.0 || imageRatio == rectRatio) {
         renderRect = rect;
     } else if (imageRatio < rectRatio) {
         renderRect = CGRectMake(0, 0, rectHeight * imageRatio, rectHeight);