diff --git a/database/database.go b/database/database.go
index f81ff49..20e4d22 100644
--- a/database/database.go
+++ b/database/database.go
@@ -40,9 +40,9 @@ type Inserter interface {
 	InsertPoint(element.OSMElem, interface{})
 	InsertLineString(element.OSMElem, interface{})
 	InsertPolygon(element.OSMElem, interface{})
-	// FilterRelationPolygons returns a slice of all members that are already
+	// SelectRelationPolygons returns a slice of all members that are already
 	// imported with a relation with tags.
-	FilterRelationPolygons(element.Tags, []element.Member) []element.Member
+	SelectRelationPolygons(element.Tags, []element.Member) []element.Member
 }
 
 type Deployer interface {
@@ -113,7 +113,7 @@ func (n *nullDb) InsertPolygon(element.OSMElem, interface{})
 func (n *nullDb) ProbePoint(element.OSMElem) (bool, interface{})                         { return true, nil }
 func (n *nullDb) ProbeLineString(element.OSMElem) (bool, interface{})                    { return true, nil }
 func (n *nullDb) ProbePolygon(element.OSMElem) (bool, interface{})                       { return true, nil }
-func (n *nullDb) FilterRelationPolygons(element.Tags, []element.Member) []element.Member { return nil }
+func (n *nullDb) SelectRelationPolygons(element.Tags, []element.Member) []element.Member { return nil }
 
 func newNullDb(conf Config, m *mapping.Mapping) (DB, error) {
 	return &nullDb{}, nil
diff --git a/database/postgis/postgis.go b/database/postgis/postgis.go
index 5a9df0f..965c71e 100644
--- a/database/postgis/postgis.go
+++ b/database/postgis/postgis.go
@@ -476,7 +476,7 @@ func (pg *PostGIS) ProbePolygon(elem element.OSMElem) (bool, interface{}) {
 	return false, nil
 }
 
-func (pg *PostGIS) FilterRelationPolygons(tags element.Tags, members []element.Member) []element.Member {
+func (pg *PostGIS) SelectRelationPolygons(tags element.Tags, members []element.Member) []element.Member {
 	relMatches := pg.polygonTagMatcher.Match(&tags)
 	result := []element.Member{}
 	for _, m := range members {
diff --git a/database/postgis/postgis_test.go b/database/postgis/postgis_test.go
index 0eb7eff..d556da4 100644
--- a/database/postgis/postgis_test.go
+++ b/database/postgis/postgis_test.go
@@ -34,9 +34,9 @@ func testDb(t *testing.T) *PostGIS {
 	return db.(*PostGIS)
 }
 
-func TestFilterRelationPolygonsSimple(t *testing.T) {
+func TestSelectRelationPolygonsSimple(t *testing.T) {
 	db := testDb(t)
-	filtered := db.FilterRelationPolygons(element.Tags{"landuse": "park"},
+	filtered := db.SelectRelationPolygons(element.Tags{"landuse": "park"},
 		[]element.Member{
 			makeMember(0, element.Tags{"landuse": "forest"}),
 			makeMember(1, element.Tags{"landuse": "park"}),
@@ -51,9 +51,9 @@ func TestFilterRelationPolygonsSimple(t *testing.T) {
 	}
 }
 
-func TestFilterRelationPolygonsUnrelatedTags(t *testing.T) {
+func TestSelectRelationPolygonsUnrelatedTags(t *testing.T) {
 	db := testDb(t)
-	filtered := db.FilterRelationPolygons(element.Tags{"landuse": "park"},
+	filtered := db.SelectRelationPolygons(element.Tags{"landuse": "park"},
 		[]element.Member{
 			makeMember(0, element.Tags{"landuse": "park", "layer": "2", "name": "foo"}),
 			makeMember(1, element.Tags{"landuse": "forest"}),
@@ -66,9 +66,9 @@ func TestFilterRelationPolygonsUnrelatedTags(t *testing.T) {
 	}
 }
 
-func TestFilterRelationPolygonsMultiple(t *testing.T) {
+func TestSelectRelationPolygonsMultiple(t *testing.T) {
 	db := testDb(t)
-	filtered := db.FilterRelationPolygons(element.Tags{"landuse": "park"},
+	filtered := db.SelectRelationPolygons(element.Tags{"landuse": "park"},
 		[]element.Member{
 			makeMember(0, element.Tags{"landuse": "park"}),
 			makeMember(1, element.Tags{"natural": "forest"}),
@@ -84,9 +84,9 @@ func TestFilterRelationPolygonsMultiple(t *testing.T) {
 	}
 }
 
-func TestFilterRelationPolygonsMultipleTags(t *testing.T) {
+func TestSelectRelationPolygonsMultipleTags(t *testing.T) {
 	db := testDb(t)
-	filtered := db.FilterRelationPolygons(element.Tags{"landuse": "forest", "natural": "scrub"},
+	filtered := db.SelectRelationPolygons(element.Tags{"landuse": "forest", "natural": "scrub"},
 		[]element.Member{
 			makeMember(0, element.Tags{"natural": "scrub"}),
 			makeMember(1, element.Tags{"landuse": "forest"}),
diff --git a/writer/relations.go b/writer/relations.go
index 66b7d6d..e3bcaf6 100644
--- a/writer/relations.go
+++ b/writer/relations.go
@@ -126,7 +126,7 @@ NextRel:
 			rw.inserter.InsertPolygon(rel.OSMElem, matches)
 		}
 
-		for _, m := range rw.inserter.FilterRelationPolygons(r.Tags, r.Members) {
+		for _, m := range rw.inserter.SelectRelationPolygons(r.Tags, r.Members) {
 			err = rw.osmCache.InsertedWays.PutWay(m.Way)
 			if err != nil {
 				log.Warn(err)