diff --git a/src/models/configuration.js b/src/models/configuration.js
index 3eb1f3d..20e2594 100644
--- a/src/models/configuration.js
+++ b/src/models/configuration.js
@@ -36,7 +36,7 @@ const sourceRotation = urlSafe(z.enum(["none", "90cw", "90ccw", "out_binding", "
 /** @type { keyof typeof import("../constants").PAGE_SIZES } */
 const availablePaperSizes = Object.keys(PAGE_SIZES);
 
-const paperSize = urlSafe(z.enum(availablePaperSizes)).default("A4");
+const paperSize = urlSafe(z.enum([...availablePaperSizes, "CUSTOM"])).default("A4");
 
 const paperSizeUnit = urlSafe(z.enum(["pt", "in", "cm"])).default("pt");
 
@@ -52,12 +52,9 @@ const sigFormat = urlSafe(z.enum(["perfect", "standardsig", "customsig", "1_3rd"
 
 const wackySpacing = urlSafe(z.enum(["wacky_pack", "wacky_gap"])).default("wacky_pack");
 
-const fileDownload = urlSafe(z.enum(["aggregated", "both", "signatures"]).default("both"));
-
 const printFile = urlSafe(z.enum(["aggregated", "signatures", "both"])).default("both");
 
 export const schema = z.object({
-    fileDownload,
     printFile,
     sourceRotation,
     rotatePage: urlSafe(coercedBoolean).default(false),
diff --git a/src/utils/renderUtils.js b/src/utils/renderUtils.js
index 9198697..0d595e0 100644
--- a/src/utils/renderUtils.js
+++ b/src/utils/renderUtils.js
@@ -197,12 +197,12 @@ export function renderFormFromSettings(configuration) {
     document.querySelector('select[name="printer_type"]').value = configuration.printerType;
 
     // Set options which are not always present
-    if (configuration.paperSizeCustomHeight !== undefined) {
+    if (configuration.paperSize === "CUSTOM" && configuration.paperSizeCustomHeight !== undefined && configuration.paperSizeCustomWidth !== undefined) {
         document.querySelector('input[name="paper_size_custom_height"]').value = configuration.paperSizeCustomHeight;
-    }
-
-    if (configuration.paperSizeCustomWidth !== undefined) {
         document.querySelector('input[name="paper_size_custom_width"]').value = configuration.paperSizeCustomWidth;
+        updateAddOrRemoveCustomPaperOption();
+        updatePaperSelectOptionsUnits();
+        document.querySelector('select[name="paper_size"]').value = "CUSTOM";   
     }
 
     if (configuration.sigFormat == "customsig") {