diff --git a/htdocs/theme/eldy/global.inc.php b/htdocs/theme/eldy/global.inc.php
index c2c4d12012b..c12f71d6f79 100644
--- a/htdocs/theme/eldy/global.inc.php
+++ b/htdocs/theme/eldy/global.inc.php
@@ -390,6 +390,7 @@ input.buttonpaymentstripe {
 .logopublicpayment #dolpaymentlogo {
 	max-height: 100px;
 	max-width: 320px;
+	image-rendering: -webkit-optimize-contrast;		/* better rendering on public page header */
 }
 
 a.butStatus {
diff --git a/htdocs/theme/md/style.css.php b/htdocs/theme/md/style.css.php
index 5317d6085fa..61893ffaa45 100644
--- a/htdocs/theme/md/style.css.php
+++ b/htdocs/theme/md/style.css.php
@@ -584,6 +584,7 @@ input.buttonpaymentstripe {
 }
 .logopublicpayment #dolpaymentlogo {
 	max-height: 100px;
+	image-rendering: -webkit-optimize-contrast;		/* better rendering on public page header */
 }
 a.butStatus {
 	padding-left: 5px;