diff --git a/scripts/install b/scripts/install
index 345d103..dd3d372 100644
--- a/scripts/install
+++ b/scripts/install
@@ -63,6 +63,8 @@ db_user=$db_name
 ynh_app_setting_set --app=$app --key=db_name --value=$db_name
 ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name
 
+ynh_mysql_execute_as_root --sql="ALTER DATABASE $db_name charset=utf8"
+
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -149,6 +151,9 @@ ynh_permission_update --permission="main" --add="visitors"
 ynh_systemd_action --service_name=nginx --action=reload
 
 # Installation with curl
+
+mkdir -p /var/log/$app/
+
 ynh_script_progression --message="Finalizing installation..." --weight=1
 
 ynh_script_progression --message="Generate fileconf" --weight=1
@@ -158,17 +163,17 @@ ynh_local_curl "/install/fileconf.php" \
 ynh_script_progression --message="installation - step 1" --weight=3
 ynh_local_curl "/install/step1.php" \
 		"testpost=ok" \
-		"action=set"
+		"action=set" > /var/log/$app/insatall1.html
 		
 ynh_script_progression --message="installation - step 2 (may take a while)..." --weight=72
 ynh_local_curl "/install/step2.php" \
 		"testpost=ok" \
-		"action=set"
+		"action=set" > /var/log/$app/insatall2.html
 
 ynh_script_progression --message="installation - step 4" --weight=3
 ynh_local_curl "/install/step4.php" \
 		"testpost=ok" \
-		"action=set"
+		"action=set" > /var/log/$app/insatall3.html
 		
 # Generate a random password for the admin user (will be ignored because of LDAP)
 password=$(ynh_string_random 8)
@@ -178,7 +183,7 @@ ynh_local_curl "/install/step5.php" \
 		"testpost=ok" \
 		"action=set" \
 		"pass=$password" \
-		"pass_verif=$password"
+		"pass_verif=$password" > /var/log/$app/insatall4.html
 
 ynh_script_progression --message="configuring LDAP" --weight=1
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 402149e..cd3d349 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -169,19 +169,36 @@ then
 	fi
 	
 	mkdir -p /var/log/$app/
-
+	
 	# Upgrade with CURL
+	
+	# Set the app as temporarily public for cURL call
+	ynh_permission_update --permission="main" --add="visitors"
+		
 	pushd $final_path/htdocs/install/
 	if php$phpversion upgrade.php $current_version $update_version > /var/log/$app/upgrade.html;  then
 		ynh_print_info --message="Step 1 upgrading ended successfully"
 	else
 		ynh_print_warn --message="Step 1 upgrading ended with error"
 	fi
+	
 	if php$phpversion upgrade2.php $current_version $update_version > /var/log/$app/upgrade2.html; then
 		ynh_print_info --message="Step 2 upgrading ended successfully"
 	else
 		ynh_print_warn --message="Step 2 upgrading ended with error"
 	fi
+	
+	charset=$(mysql -ss -N -e "SELECT default_character_set_name FROM information_schema.SCHEMATA WHERE schema_name = '$db_name'")
+	if [ "$charset" != "utf8" ]
+	then
+		ynh_script_progression --message="Changing Database charset to utf8" --weight=5
+		
+		ynh_mysql_execute_as_root --database=$db_name --sql="ALTER DATABASE $db_name charset=utf8"
+				
+		ynh_local_curl  "/install/repair.php" \
+				"force_utf8_on_tables=confirmed" > /var/log/$app/repair.html
+	fi
+	
 	if php$phpversion step5.php $current_version $update_version > /var/log/$app/upgrade3.html; then
 		ynh_print_info --message="Step 3 upgrading ended successfully"
 	else
@@ -191,6 +208,12 @@ then
 	ynh_app_setting_set --app=$app --key=version --value=$update_version
 
 	popd
+	
+	if [ $is_public -eq 0 ]
+	then
+		ynh_permission_update --permission="main" --remove="visitors"
+	fi
+	
 fi
 
 #=================================================