diff --git a/src/components/forms/custom-form-builder.tsx b/src/components/forms/custom-form-builder.tsx
index 72674f8..143924a 100644
--- a/src/components/forms/custom-form-builder.tsx
+++ b/src/components/forms/custom-form-builder.tsx
@@ -929,6 +929,7 @@ export function CustomFormBuilder() {
       font_family: fontFamily,
       font_size_pt: fontSize,
       line_height: lineHeight,
+      margin_inches: marginInches,
       signature_blocks: [],
       fields: formFields as any,
     };