diff --git a/htdocs/theme/eldy/global.inc.php b/htdocs/theme/eldy/global.inc.php
index cd59b22f1d7..b355e8b5492 100644
--- a/htdocs/theme/eldy/global.inc.php
+++ b/htdocs/theme/eldy/global.inc.php
@@ -2537,6 +2537,9 @@ img.userphotosmall {			/* size for user photo in lists */
     vertical-align: middle;
     background-color: #FFF;
 }
+img.userphoto[alt="Gravatar avatar"] {
+    background: #fff;
+}
 .span-icon-user {
 	background-image: url(<?php echo dol_buildpath($path.'/theme/'.$theme.'/img/object_user.png', 1); ?>);
 	background-repeat: no-repeat;
diff --git a/htdocs/theme/md/style.css.php b/htdocs/theme/md/style.css.php
index 51678064568..e119c5348a1 100644
--- a/htdocs/theme/md/style.css.php
+++ b/htdocs/theme/md/style.css.php
@@ -2530,6 +2530,9 @@ img.userphotosmall {			/* size for user photo in lists */
     background-size: contain;
     vertical-align: middle;
 }
+img.userphoto[alt="Gravatar avatar"] {
+    background: #fff;
+}
 .span-icon-user {
 	background-image: url(<?php echo dol_buildpath($path.'/theme/'.$theme.'/img/object_user.png', 1); ?>);
 	background-repeat: no-repeat;