diff --git a/migrations/031_add_is_travel_column.sql b/migrations/031_add_is_travel_column.sql
new file mode 100644
index 0000000..8e583b8
--- /dev/null
+++ b/migrations/031_add_is_travel_column.sql
@@ -0,0 +1,21 @@
+-- ============================================================================
+-- Migration 031: Tilføj is_travel kolonne til tmodule_times
+-- ============================================================================
+-- Retter bug hvor is_travel blev referenced i koden men aldrig tilføjet til DB
+-- ============================================================================
+
+-- Tilføj is_travel kolonne
+ALTER TABLE tmodule_times 
+ADD COLUMN IF NOT EXISTS is_travel BOOLEAN DEFAULT false;
+
+-- Tilføj hourly_rate kolonne (bruges også i approve endpoint)
+ALTER TABLE tmodule_times
+ADD COLUMN IF NOT EXISTS hourly_rate DECIMAL(10,2);
+
+-- Index for hurtig filtrering af rejsetid
+CREATE INDEX IF NOT EXISTS idx_tmodule_times_is_travel ON tmodule_times(is_travel);
+
+-- Log migration
+INSERT INTO migration_log (migration_name, applied_at)
+VALUES ('031_add_is_travel_column', CURRENT_TIMESTAMP)
+ON CONFLICT DO NOTHING;