diff --git a/db/migrations/20260309120007_fix_probe_data_null.go b/db/migrations/20260309120007_fix_probe_data_null.go
new file mode 100644
index 00000000..a7e7366e
--- /dev/null
+++ b/db/migrations/20260309120007_fix_probe_data_null.go
@@ -0,0 +1,28 @@
+package migrations
+
+import (
+	"context"
+	"database/sql"
+
+	"github.com/pressly/goose/v3"
+)
+
+func init() {
+	goose.AddMigrationContext(upFixProbeDataNull, downFixProbeDataNull)
+}
+
+func upFixProbeDataNull(_ context.Context, tx *sql.Tx) error {
+	// Recreate probe_data column as NOT NULL with empty string default.
+	// The previous migration created it with DEFAULT NULL, which causes
+	// scan errors when reading into Go string fields.
+	_, err := tx.Exec(`ALTER TABLE media_file DROP COLUMN probe_data`)
+	if err != nil {
+		return err
+	}
+	_, err = tx.Exec(`ALTER TABLE media_file ADD COLUMN probe_data TEXT DEFAULT '' NOT NULL`)
+	return err
+}
+
+func downFixProbeDataNull(_ context.Context, tx *sql.Tx) error {
+	return nil
+}