diff --git a/lib/www/server/lib/db/gis/project/preplot.js b/lib/www/server/lib/db/gis/project/preplot.js
index 983f14a..511f3e6 100644
--- a/lib/www/server/lib/db/gis/project/preplot.js
+++ b/lib/www/server/lib/db/gis/project/preplot.js
@@ -12,27 +12,53 @@ async function lines (projectId, options = {}) {
 		["V", "S"].includes(options.class) && options.class || "S"
 	];
 
-	const text = `
-		SELECT json_build_object(
-			'type', 'FeatureCollection',
-			'features', json_agg(geojson::json)) geojson
-		FROM (
-			SELECT ST_AsGeoJSON(t.*) geojson
+	const text = values[6] == 'V'
+		? `
+			SELECT json_build_object(
+				'type', 'FeatureCollection',
+				'features', json_agg(geojson::json)) geojson
 			FROM (
-				SELECT line, incr, remarks, ntba, ST_Transform(geometry, 4326) geometry
-				FROM preplot_lines
-				WHERE
-					class = $7
-					AND (
-						($1 IS true
-							AND ST_Transform(geometry, 4326) && ST_MakeEnvelope($2, $3, $4, $5, 4326)
+				SELECT ST_AsGeoJSON(t.*) geojson
+				FROM (
+					SELECT pl.line, psl.incr, psl.remarks, psl.ntba, ST_Transform(pl.geometry, 4326) geometry
+					FROM preplot_lines pl
+					INNER JOIN preplot_saillines psl
+						ON pl.line = psl.sailline
+					WHERE
+						class = $7
+						AND (
+							($1 IS true
+								AND ST_Transform(pl.geometry, 4326) && ST_MakeEnvelope($2, $3, $4, $5, 4326)
+							)
+							OR ($1 IS false AND true)
 						)
-						OR ($1 IS false AND true)
-					)
-				LIMIT $6
-			) t
-		) f;
-	`;
+					LIMIT $6
+				) t
+			) f;
+		`
+		: `
+			SELECT json_build_object(
+				'type', 'FeatureCollection',
+				'features', json_agg(geojson::json)) geojson
+			FROM (
+				SELECT ST_AsGeoJSON(t.*) geojson
+				FROM (
+					SELECT pl.line, psl.incr, psl.remarks, psl.ntba, ST_Transform(pl.geometry, 4326) geometry
+					FROM preplot_lines pl
+					INNER JOIN preplot_saillines psl
+						ON pl.line = psl.line
+					WHERE
+						class = $7
+						AND (
+							($1 IS true
+								AND ST_Transform(pl.geometry, 4326) && ST_MakeEnvelope($2, $3, $4, $5, 4326)
+							)
+							OR ($1 IS false AND true)
+						)
+					LIMIT $6
+				) t
+			) f;
+		`
 
 	const res = await client.query(text, values);
 	client.release();