diff --git a/Makefile b/Makefile
index 356f875..5e6b8f5 100644
--- a/Makefile
+++ b/Makefile
@@ -41,7 +41,10 @@ generate: unlocode in/airports.dat in/countries.dat in/continents.geojson $(LOCO
 	--airports in/airports.dat \
 	--continents in/continents.geojson \
 	--countries in/countries.dat \
-	--in in/$(UNLOCODEPREFIX)\ UNLOCODE\ CodeListPart1.csv,in/$(UNLOCODEPREFIX)\ UNLOCODE\ CodeListPart2.csv,in/$(UNLOCODEPREFIX)\ UNLOCODE\ CodeListPart3.csv \
+	--in in/$(UNLOCODEPREFIX)\ UNLOCODE\ CodeListPart1.csv \
+	--in in/$(UNLOCODEPREFIX)\ UNLOCODE\ CodeListPart2.csv \
+	--in in/$(UNLOCODEPREFIX)\ UNLOCODE\ CodeListPart3.csv \
+	--in override.csv \
 	--subdiv in/$(UNLOCODEPREFIX)\ SubdivisionCodes.csv \
 	--out $(LOCODEDB)
 
diff --git a/internal/parsers/db/put.go b/internal/parsers/db/put.go
index cc6f57a..c2ee780 100644
--- a/internal/parsers/db/put.go
+++ b/internal/parsers/db/put.go
@@ -26,7 +26,7 @@ func (db *CsvDB) Put(data []Data) error {
 	newRecordsLocode := make([][]string, 0, len(data))
 	newRecordsCountry := make([][]string, 0, 300)
 
-	uniqueKeys := make(map[string]struct{}, len(data))
+	uniqueKeys := make(map[string]int, len(data))
 	uniqueKeysCountry := make(map[string]struct{}, 300)
 
 	for _, row := range data {
@@ -36,12 +36,14 @@ func (db *CsvDB) Put(data []Data) error {
 		// Calculate a unique index for each key
 		keyString := key.CountryCode().String() + key.LocationCode().String()
 
-		if _, exists := uniqueKeys[keyString]; exists {
-			continue // Skip duplicates
+		if index, exists := uniqueKeys[keyString]; exists {
+			newRecordsLocode[index][5] = strconv.FormatFloat(float64(rec.Point.Latitude), 'f', -1, 32)
+			newRecordsLocode[index][6] = strconv.FormatFloat(float64(rec.Point.Longitude), 'f', -1, 32)
+			continue
 		}
 
 		// Mark the index as seen
-		uniqueKeys[keyString] = struct{}{}
+		uniqueKeys[keyString] = len(newRecordsLocode)
 
 		newRecord := []string{
 			keyString,
diff --git a/internal/parsers/table/csv/table.go b/internal/parsers/table/csv/table.go
index bc53056..cf3abba 100644
--- a/internal/parsers/table/csv/table.go
+++ b/internal/parsers/table/csv/table.go
@@ -68,7 +68,7 @@ func New(prm Prm, opts ...Option) *Table {
 	}
 
 	return &Table{
-		paths:      append(o.extraPaths, prm.Path),
+		paths:      append([]string{prm.Path}, o.extraPaths...),
 		mode:       o.mode,
 		subDivPath: prm.SubDivPath,
 	}