diff --git a/scripts/install b/scripts/install
index c9d3d34..9e61390 100644
--- a/scripts/install
+++ b/scripts/install
@@ -204,6 +204,13 @@ ynh_add_systemd_config --service="$app-server" --template="funkwhale-server.serv
 ynh_add_systemd_config --service="$app-worker" --template="funkwhale-worker.service"
 ynh_add_systemd_config --service="$app-beat"   --template="funkwhale-beat.service"
 
+#=================================================
+# STORE THE CONFIG FILE CHECKSUM
+#=================================================
+
+# Calculate and store the config file checksum into the app settings
+ynh_store_file_checksum --file="$configfile"
+
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 2db5b62..f3df721 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -168,7 +168,7 @@ virtualenv -p python3 "$final_path/code/virtualenv"
 #=================================================
 
 configfile="$final_path/code/config/.env"
-
+ynh_backup_if_checksum_is_different --file="$configfile"
 cp ../conf/env.prod "$configfile"
 
 key=$(ynh_string_random)
@@ -226,6 +226,13 @@ ynh_replace_string --match_string="__FINALPATH__" --replace_string="$final_path"
 	python api/manage.py script delete_pre_017_federated_uploads --no-input
 )
 
+#=================================================
+# STORE THE CONFIG FILE CHECKSUM
+#=================================================
+
+# Recalculate and store the checksum of the file for the next upgrade.
+ynh_store_file_checksum --file="$configfile"
+
 #=================================================
 # SETUP SYSTEMD
 #=================================================