diff --git a/package.json b/package.json
index 98c05aa..f38d138 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "component-register",
   "description": "Basic Wrapper around Web Components",
-  "version": "0.8.8",
+  "version": "0.8.9",
   "author": "Ryan Carniato",
   "license": "MIT",
   "readmeFilename": "README.md",
diff --git a/src/element.ts b/src/element.ts
index 4da6ae8..b6fc311 100644
--- a/src/element.ts
+++ b/src/element.ts
@@ -48,13 +48,18 @@ export function createElementType<T>(
       this.__propertyChangedCallbacks = [];
       this.__updating = {};
       this.props = {};
-      for (let propKey of propKeys) {
-        this[propKey as never] = undefined
-      }
     }
 
     connectedCallback() {
       if (this.__initialized) return;
+
+      // Initialize all props.
+      for (let propKey of propKeys) {
+        if (!(propKey in this)) {
+          this[propKey as never] = undefined;
+        }
+      }
+
       this.__releaseCallbacks = [];
       this.__propertyChangedCallbacks = [];
       this.__updating = {};