diff --git a/conf/.env.production b/conf/.env.production
index bf31765..7d4cb0f 100644
--- a/conf/.env.production
+++ b/conf/.env.production
@@ -36,6 +36,6 @@ STATICMAP_SUBDOMAINS=''
 
 # Weather
 # available weather API providers: darksky, visualcrossing
-WEATHER_API_PROVIDER=__WEATHER_PROVIDER__
-WEATHER_API_KEY=__WEATHER_KEY__
+WEATHER_API_PROVIDER=__WEATHER_API_PROVIDER__
+WEATHER_API_KEY=__WEATHER_API_KEY__
 
diff --git a/config_panel.toml b/config_panel.toml
index 738ab0a..e42af69 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -26,7 +26,7 @@ services = ["__APP__", "__APP___workers"]
         help.fr = "Change le répertoire de données où sont stockés tous les fichiers .gpx téléversés et les photos de profil"
         bind = "UPLOAD_FOLDER:/var/www/__APP__/.env"
 
-        [main.config.weather_provider]
+        [main.config.weather_api_provider]
         ask.en = "Change weather provider"
         ask.fr = "Changer le fournisseur météo"
         type = "select"
@@ -36,7 +36,7 @@ services = ["__APP__", "__APP___workers"]
         help.fr = "Changer votre fournisseur météo en choisissant un de ceux qui vous sont proposés"
         bind = "WEATHER_API_PROVIDER:/var/www/__APP__/.env"
 
-        [main.config.WEATHER_API_KEY]
+        [main.config.weather_api_key]
         ask.en = "Change weather api key"
         ask.fr = "Changer la clé api pour la météo"
         type = "string"
diff --git a/manifest.toml b/manifest.toml
index 6fcd57e..d2af7c5 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -47,7 +47,7 @@ ram.runtime = "50M"
     help.fr = "Choisissez un mot de passe pour l’utilisateur admin ici."
     type = "password"
 
-    [install.weather_provider]
+    [install.weather_api_provider]
     ask.en = "(Optional) Choose your weather provider between Darksky and Visual Crossing"
     ask.fr = "(Optionnel) Choisissez votre fournisseur météo entre Darksky et Visual Crossing"
     help.en = "Since Fittrackee 0.7.15, only Visual Crossing is supported"
@@ -57,7 +57,7 @@ ram.runtime = "50M"
     default = "visualcrossing"
     optional = true
 
-    [install.weather_key]
+    [install.weather_api_key]
     ask.en = "(Optional) Insert here the api key from the chosen weather provider"
     ask.fr = "(Optionnel) Insérez ici la clé API du fournisseur de météo choisi"
     type = "string"
diff --git a/scripts/change_url b/scripts/change_url
index fedb9ea..63342db 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -16,9 +16,6 @@ source /usr/share/yunohost/helpers
 admin=$(ynh_user_get_info --username=$admin --key=username)
 admin_mail=$(ynh_user_get_info --username=$admin --key=mail)
 
-weather_provider=$(ynh_app_setting_get --app=$app --key=$weather_provider)
-weather_key=$(ynh_app_setting_get --app=$app --key=$weather_key)
-
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================
diff --git a/scripts/install b/scripts/install
index 62248ef..834cfd3 100755
--- a/scripts/install
+++ b/scripts/install
@@ -11,8 +11,8 @@ source /usr/share/yunohost/helpers
 
 admin=$(ynh_user_get_info --username=$admin --key=username)
 admin_mail=$(ynh_user_get_info --username=$admin --key=mail)
-ynh_app_setting_set --app=$app --key=weather_provider --value=$weather_provider
-ynh_app_setting_set --app=$app --key=weather_key --value=$weather_key
+ynh_app_setting_set --app=$app --key=weather_api_provider --value=$weather_api_provider
+ynh_app_setting_set --app=$app --key=weather_api_key --value=$weather_api_key
 
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 8b3f4de..48abda0 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -16,8 +16,24 @@ source /usr/share/yunohost/helpers
 admin=$(ynh_user_get_info --username=$admin --key=username)
 admin_mail=$(ynh_user_get_info --username=$admin --key=mail)
 
-weather_provider=$(ynh_app_setting_get --app=$app --key=$weather_provider)
-weather_key=$(ynh_app_setting_get --app=$app --key=$weather_key)
+ynh_app_setting_set --app=$app --key=weather_api_provider --value=$weather_api_provider
+ynh_app_setting_set --app=$app --key=weather_api_key --value=$weather_api_key
+
+#=================================================
+# ENSURE DOWNWARD COMPATIBILITY
+#=================================================
+ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
+
+if [ -z "${weather_api_provider:-}" ]; then
+	weather_api_provider=$weather_provider
+	ynh_app_setting_set --app=$app --key=weather_api_provider --value=$weather_api_provider
+fi
+
+if [ -z "${weather_api_key:-}" ]; then
+	weather_api_key=$weather_key
+	ynh_app_setting_set --app=$app --key=weather_api_key --value=$weather_api_key
+fi
+
 
 #=================================================
 # CHECK VERSION
diff --git a/tests.toml b/tests.toml
index bc1e91f..ec891a5 100644
--- a/tests.toml
+++ b/tests.toml
@@ -21,4 +21,5 @@ test_format = 1.0
     test_upgrade_from.e49294c.name = "0.7.22"
     test_upgrade_from.a446e8c.name = "0.7.23"
     test_upgrade_from.316dea4.name = "0.7.24"
-    test_upgrade_from.d682f12.name = "0.7.25~ynh3"
\ No newline at end of file
+    test_upgrade_from.d682f12.name = "0.7.25~ynh3"
+    test_upgrade_from.e48197d.name = "0.7.26"
\ No newline at end of file