diff --git a/src/components/d-math.js b/src/components/d-math.js
index 6fbf244..0a643fc 100644
--- a/src/components/d-math.js
+++ b/src/components/d-math.js
@@ -36,6 +36,7 @@ export class DMath extends Mutating(T(HTMLElement)) {
   }
 
   connectedCallback() {
+    super.connectedCallback();
     if (!DMath.katexAdded) {
       // script tag has to be created to work properly
       const scriptTag = document.createElement('script');