diff --git a/src/main/resources/static/js/multitool/PdfActionsManager.js b/src/main/resources/static/js/multitool/PdfActionsManager.js
index 83768dc0..3701266e 100644
--- a/src/main/resources/static/js/multitool/PdfActionsManager.js
+++ b/src/main/resources/static/js/multitool/PdfActionsManager.js
@@ -78,7 +78,7 @@ class PdfActionsManager {
     imgContainer.classList.toggle("split-before");
   }
 
-  setActions({ movePageTo, addPdfs, rotateElement }) {
+  setActions({ movePageTo, addFiles, rotateElement }) {
     this.movePageTo = movePageTo;
     this.addFiles = addFiles;
     this.rotateElement = rotateElement;
diff --git a/src/main/resources/static/js/multitool/PdfContainer.js b/src/main/resources/static/js/multitool/PdfContainer.js
index b55b5699..0654cac9 100644
--- a/src/main/resources/static/js/multitool/PdfContainer.js
+++ b/src/main/resources/static/js/multitool/PdfContainer.js
@@ -53,6 +53,13 @@ class PdfContainer {
     const childArray = Array.from(this.pagesContainer.childNodes);
     const startIndex = childArray.indexOf(startElement);
     const endIndex = childArray.indexOf(endElement);
+
+    // Check & remove page number elements here too if they exist because Firefox doesn't fire the relevant event on page move.
+    const pageNumberElement = startElement.querySelector(".page-number");
+    if (pageNumberElement) {
+      startElement.removeChild(pageNumberElement);
+    }
+
     this.pagesContainer.removeChild(startElement);
     if (!endElement) {
       this.pagesContainer.append(startElement);