diff --git a/src/Bundle/ChillDocStoreBundle/Service/Signature/PDFSignatureZoneParser.php b/src/Bundle/ChillDocStoreBundle/Service/Signature/PDFSignatureZoneParser.php
index 3aade2fcc..d57b98abf 100644
--- a/src/Bundle/ChillDocStoreBundle/Service/Signature/PDFSignatureZoneParser.php
+++ b/src/Bundle/ChillDocStoreBundle/Service/Signature/PDFSignatureZoneParser.php
@@ -39,15 +39,16 @@ class PDFSignatureZoneParser
         $defaultPageDetails = $defaultPage->getDetails();
 
         foreach ($pdf->getPages() as $index => $page) {
+            $details = $page->getDetails();
             $pdfPage = new PDFPage(
                 $index,
-                $page['MediaBox'][2] ?? $defaultPageDetails['MediaBox'][2],
-                $page['MediaBox'][3] ?? $defaultPageDetails['MediaBox'][3],
+                (float) ($details['MediaBox'][2] ?? $defaultPageDetails['MediaBox'][2]),
+                (float) ($details['MediaBox'][3] ?? $defaultPageDetails['MediaBox'][3]),
             );
 
             foreach ($page->getDataTm() as $dataTm) {
                 if (str_starts_with($dataTm[1], self::ZONE_SIGNATURE_START)) {
-                    $zones[] = new PDFSignatureZone($dataTm[0][4], $dataTm[0][5], $this->defaultHeight, $this->defaultWidth, $pdfPage);
+                    $zones[] = new PDFSignatureZone((float) $dataTm[0][4], (float) $dataTm[0][5], $this->defaultHeight, $this->defaultWidth, $pdfPage);
                 }
             }
         }