diff --git a/templates/web/common/site_layout.tt.html b/templates/web/common/site_layout.tt.html
index d7e7d8cf6bed1..fb1768fe6879c 100644
--- a/templates/web/common/site_layout.tt.html
+++ b/templates/web/common/site_layout.tt.html
@@ -275,7 +275,7 @@ <h1>[% title %]</h1>
 				<div class="row">
 					<div class="small-12 flex-grid v-space-short v-align-center direction-row h-space-tiny">
 						<div class="cell small-100 medium-100 large-50 flex-grid v-align-center direction-row">
-							<img class="cell small-50 v-align-center" src="/images/illustrations/app-icon-in-the-clouds.svg" style="height:120px">
+							<img class="cell small-50 v-align-center" src="/images/illustrations/app-icon-in-the-clouds.svg" alt="The Open Food Facts logo in the cloud" style="height:120px">
 							<div class="cell small-50 v-align-center" id="footer_scan" style="display:block">
 								<div id="footer_install_the_app">
 									[% lang("footer_install_the_app_exclamation_mark") %]