diff --git a/docs/tests/infinite-iframe-creation.html b/docs/tests/infinite-iframe-creation.html
index e3d614541..086b31db5 100644
--- a/docs/tests/infinite-iframe-creation.html
+++ b/docs/tests/infinite-iframe-creation.html
@@ -26,7 +26,7 @@ function createFrame() {
         container.firstElementChild.remove();
     }
     const iframe = document.createElement('iframe');
-    iframe.src = 'plagiomnium_affine_laminazellen.jpeg?_=' + randomStr(10000);
+    iframe.src = 'plagiomnium_affine_laminazellen.jpeg?_=' + randomStr(8000);
     container.appendChild(iframe);
     setTimeout(( ) => {
         createFrame();