diff --git a/src/index.js b/src/index.js
index <HASH>..<HASH> 100644
--- a/src/index.js
+++ b/src/index.js
@@ -99,6 +99,8 @@ export function serializeComponents (props) {
       return;
     }
 
+    if (props[component] === undefined) { return; }
+
     if (props[component].constructor === Function) { return; }
 
     var ind = Object.keys(components).indexOf(component.split('__')[0]);
Adding a check for if a component has not been set yet