diff --git a/EnvelopeGenerator.PdfEditor/Pdf.cs b/EnvelopeGenerator.PdfEditor/Pdf.cs
index 6886f0b7..5c218500 100644
--- a/EnvelopeGenerator.PdfEditor/Pdf.cs
+++ b/EnvelopeGenerator.PdfEditor/Pdf.cs
@@ -6,6 +6,7 @@ using iText.Kernel.Geom;
 #if NETFRAMEWORK
 using System;
 using System.IO;
+using System.Linq;
 using System.Threading.Tasks;
 using System.Collections.Generic;
 #endif
@@ -82,6 +83,16 @@ namespace EnvelopeGenerator.PdfEditor
         public Pdf<TInputStream, TOutputStream> Background<TSignature>(IEnumerable<TSignature> signatures)
             where TSignature : ISignature
         {
+            // once per page
+            var pageIndexes = signatures.Select(signature => signature.Page).Distinct().OrderBy(index => index);
+            foreach(var pageIndex in pageIndexes)
+            {
+                var page = _doc.GetPage(pageIndex);
+                Rectangle pageSize = page.GetPageSize();
+                var canvas = new PdfCanvas(page);
+                canvas.ConcatMatrix(1, 0, 0, -1, 0, pageSize.GetHeight());
+            }
+
             foreach (var signature in signatures)
                 Page(signature.Page, page =>
                 {
@@ -95,10 +106,6 @@ namespace EnvelopeGenerator.PdfEditor
 
                     double bottomLineLength = 2.5;
 
-                    Rectangle pageSize = page.GetPageSize();
-
-                    canvas.ConcatMatrix(1, 0, 0, -1, 0, pageSize.GetHeight());
-
                     // draw background
                     canvas.SetFillColor(new DeviceRgb(222, 220, 215))
                         .Rectangle(x, y, width, height)