diff --git a/src/SvgToInline.ts b/src/SvgToInline.ts
index 3247449..a6e66b9 100644
--- a/src/SvgToInline.ts
+++ b/src/SvgToInline.ts
@@ -115,9 +115,3 @@ export class SvgToInline extends LitElement {
       : this._statusElement}`
   }
 }
-
-declare global {
-  interface HTMLElementTagNameMap {
-    'svg-to-inline': SvgToInline
-  }
-}
diff --git a/src/svg-to-inline.ts b/src/svg-to-inline.ts
index dd2607c..933f437 100644
--- a/src/svg-to-inline.ts
+++ b/src/svg-to-inline.ts
@@ -1,3 +1,9 @@
 import { SvgToInline } from './SvgToInline.js'
 
-window.customElements.define('svg-to-inline', SvgToInline)
+customElements.define('svg-to-inline', SvgToInline)
+
+declare global {
+  interface HTMLElementTagNameMap {
+    'svg-to-inline': SvgToInline
+  }
+}