diff --git a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
index fa415451a37c9..4427149c8fc4c 100644
--- a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
@@ -1578,7 +1578,7 @@ protected function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs
 				}
 
 				// Revenue stamp
-				if (price2num($object->revenuestamp) != 0) {
+				if (price2num($object->revenuestamp, 'MT') != 0) {
 					$index++;
 					$pdf->SetXY($col1x, $tab2_top + $tab2_hl * $index);
 					$pdf->MultiCell($col2x - $col1x, $tab2_hl, $outputlangs->transnoentities("RevenueStamp"), $useborder, 'L', 1);
diff --git a/htdocs/core/modules/facture/doc/pdf_octopus.modules.php b/htdocs/core/modules/facture/doc/pdf_octopus.modules.php
index 325675086c205..c1cfb517f3bc5 100644
--- a/htdocs/core/modules/facture/doc/pdf_octopus.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_octopus.modules.php
@@ -1811,7 +1811,7 @@ protected function drawTotalTable(&$pdf, $object, $deja_regle, $posy, $outputlan
 
 
 				// Revenue stamp
-				if (price2num($object->revenuestamp) != 0) {
+				if (price2num($object->revenuestamp, 'MT') != 0) {
 					$index++;
 					$pdf->SetXY($col1x, $tab2_top + $tab2_hl * $index);
 					$pdf->MultiCell($col2x - $col1x, $tab2_hl, $outputlangs->transnoentities("RevenueStamp").(is_object($outputlangsbis) ? ' / '.$outputlangsbis->transnoentities("RevenueStamp", $mysoc->country_code) : ''), $useborder, 'L', 1);
diff --git a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
index 2392f459b49f9..5e28d7ee07ced 100644
--- a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
@@ -1896,7 +1896,7 @@ protected function drawTotalTable(&$pdf, $object, $deja_regle, $posy, $outputlan
 				}
 
 				// Revenue stamp
-				if (price2num($object->revenuestamp) != 0) {
+				if (price2num($object->revenuestamp, 'MT') != 0) {
 					$index++;
 					$pdf->SetXY($col1x, $tab2_top + $tab2_hl * $index);
 					$pdf->MultiCell($col2x - $col1x, $tab2_hl, $outputlangs->transnoentities("RevenueStamp").(is_object($outputlangsbis) ? ' / '.$outputlangsbis->transnoentities("RevenueStamp", $mysoc->country_code) : ''), $useborder, 'L', 1);