diff --git a/packages/core/src/textures/resources/ImageBitmapResource.ts b/packages/core/src/textures/resources/ImageBitmapResource.ts
index ea09396412..aab555fd54 100644
--- a/packages/core/src/textures/resources/ImageBitmapResource.ts
+++ b/packages/core/src/textures/resources/ImageBitmapResource.ts
@@ -59,18 +59,23 @@ export class ImageBitmapResource extends BaseImageResource
     {
         options = options || {};
 
+        let baseSource;
+        let url;
+
         if (typeof source === 'string')
         {
-            super(ImageBitmapResource.EMPTY);
-
-            this.url = source;
+            baseSource = ImageBitmapResource.EMPTY;
+            url = source;
         }
         else
         {
-            super(source);
-
-            this.url = null;
+            baseSource = source;
+            url = null;
         }
+        // Using super() in if() can cause transpilation problems in some cases, so take it out of if().
+        // See https://github.com/pixijs/pixijs/pull/9093 for details.
+        super(baseSource);
+        this.url = url;
 
         this.crossOrigin = options.crossOrigin ?? true;
         this.alphaMode = typeof options.alphaMode === 'number' ? options.alphaMode : null;