diff --git a/scripts/install b/scripts/install
index 6262d04..33a1a85 100755
--- a/scripts/install
+++ b/scripts/install
@@ -54,6 +54,7 @@ ynh_add_nginx_config
 pushd $install_dir/lemmy-ui
  	ynh_use_nodejs
 	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn add sharp
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH npm rebuild sharp
 popd
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 0f6d7f2..0b9dcd8 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -83,6 +83,7 @@ ynh_add_nginx_config
 pushd $install_dir/lemmy-ui
  	ynh_use_nodejs
 	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn add sharp
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH npm rebuild sharp
 popd
 
 #=================================================