diff --git a/index.js b/index.js
index 2ddf780..65cb589 100644
--- a/index.js
+++ b/index.js
@@ -26,7 +26,8 @@ function resolveImageSrc(loaderContext, image, callback) {
 
       // Update the image src property to match the generated filename
       // Is it always the first key in the assets object?
-      image.src = Object.keys(module.assets)[0];
+      if(module.assets)
+        image.src = Object.keys(module.assets)[0];
 
       callback(null);
     });