diff --git a/migrate.sh b/migrate.sh
index f9d1bdf..e2fa009 100644
--- a/migrate.sh
+++ b/migrate.sh
@@ -1,6 +1,9 @@
 #!/bin/bash
 echo Migrate PostgreSQL version
 
+OLD_POSTGRES=/postgres/17
+NEW_POSTGRES=/postgres/18
+
 DB_PATH=/db
 OLD_DB_PATH=/tmp/old_db
 NEW_DB_PATH=/tmp/new_db
@@ -12,17 +15,26 @@ then
     exit 1;
 fi
 
-# Run database on a COPY of the database
+# Run migration on a COPY of the database
 cp -r "$DB_PATH" "$OLD_DB_PATH"
 
 # Initialize NEW database
 mkdir "$NEW_DB_PATH"
-/postgres/18/bin/initdb -D "$NEW_DB_PATH" --username "$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") || exit 1
+$NEW_POSTGRES/bin/initdb -D "$NEW_DB_PATH" --username "$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") || exit 1
 
+# Enable / disable checksum on new database, depending on the configuration of the old one
+if $OLD_POSTGRES/bin/pg_checksums -c "$OLD_DB_PATH";
+then
+    echo Enable checksums on new database
+    $NEW_POSTGRES/bin/pg_checksums -e "$NEW_DB_PATH"
+else
+    echo Disable checksums on new database
+    $NEW_POSTGRES/bin/pg_checksums -d "$NEW_DB_PATH"
+fi
 
 # Perform migration
 cd /tmp
-/postgres/18/bin/pg_upgrade -b /postgres/17/bin/ -d "$OLD_DB_PATH" -D "$NEW_DB_PATH" -U "$POSTGRES_USER" || exit 2
+$NEW_POSTGRES/bin/pg_upgrade -b $OLD_POSTGRES/bin/ -d "$OLD_DB_PATH" -D "$NEW_DB_PATH" -U "$POSTGRES_USER" || exit 2
 
 # Configure database server
 echo Configure database server