diff --git a/Tests/LibWeb/Text/expected/IntersectionObserver/img-lazy-loading-not-blocked-by-img-outside-viewport.txt b/Tests/LibWeb/Text/expected/IntersectionObserver/img-lazy-loading-not-blocked-by-img-outside-viewport.txt
new file mode 100644
index 0000000000..465701e346
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/IntersectionObserver/img-lazy-loading-not-blocked-by-img-outside-viewport.txt
@@ -0,0 +1 @@
+PASS
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/input/IntersectionObserver/img-lazy-loading-not-blocked-by-img-outside-viewport.html b/Tests/LibWeb/Text/input/IntersectionObserver/img-lazy-loading-not-blocked-by-img-outside-viewport.html
new file mode 100644
index 0000000000..14cd7843a9
--- /dev/null
+++ b/Tests/LibWeb/Text/input/IntersectionObserver/img-lazy-loading-not-blocked-by-img-outside-viewport.html
@@ -0,0 +1,19 @@
+<!doctype html><style>
+img {
+    border: 1px solid black;
+    width: 30px;
+    height: 30px;
+}
+/* This element will not be visible in the viewport */
+#notInViewport {
+    position: relative;
+    top: -1000px;
+}
+</style><body><img id="notInViewport" loading="lazy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAIAAAAlC+aJAAAAUElEQVRo3u3PQQ0AMAgEsGP+xeEIVOxB0jpodSaXvRwnICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg8N8ChgACTxD8p8QAAAAASUVORK5CYII="><img id="inViewport" loading="lazy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAIAAAAlC+aJAAAAUElEQVRo3u3PQQ0AMAgEsGP+xeEIVOxB0jpodSaXvRwnICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg8N8ChgACTxD8p8QAAAAASUVORK5CYII=">
+<script>
+    const inViewport = document.getElementById("inViewport");
+    inViewport.addEventListener("load", function() {
+        document.body.innerHTML = "PASS";
+        internals.signalTextTestIsDone();
+    });
+</script>
diff --git a/Userland/Libraries/LibWeb/DOM/Document.cpp b/Userland/Libraries/LibWeb/DOM/Document.cpp
index 9a9095f6db..1fe096f6f0 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Document.cpp
@@ -3357,8 +3357,12 @@ void Document::start_intersection_observing_a_lazy_loading_element(Element& elem
                 }
 
                 // 3. If resumptionSteps is null, then return.
-                if (!resumption_steps)
-                    return JS::js_undefined();
+                if (!resumption_steps) {
+                    // NOTE: This is wrong in the spec, since we want to keep processing
+                    //       entries even if one of them doesn't have resumption steps.
+                    // FIXME: Spec bug: https://github.com/whatwg/html/issues/10019
+                    continue;
+                }
 
                 // 4. Stop intersection-observing a lazy loading element for entry.target.
                 // https://html.spec.whatwg.org/multipage/urls-and-fetching.html#stop-intersection-observing-a-lazy-loading-element
