diff --git a/internal/locations/repo.go b/internal/locations/repo.go
index e65893a..2c9313d 100644
--- a/internal/locations/repo.go
+++ b/internal/locations/repo.go
@@ -110,21 +110,21 @@ func (r *Repo) Nearby(ctx context.Context, myID uuid.UUID, lat, lng, radiusKm fl
 			  AND u.id != $3
 			  AND ul.lat IS NOT NULL AND ul.lng IS NOT NULL
 			  AND ul.updated_at > NOW() - INTERVAL '1 hour'
-			  AND ul.lat BETWEEN $1 - $6 AND $1 + $6
-			  AND ul.lng BETWEEN $2 - $7 AND $2 + $7
+			  AND ul.lat BETWEEN ($1::float8 - $6::float8) AND ($1::float8 + $6::float8)
+			  AND ul.lng BETWEEN ($2::float8 - $7::float8) AND ($2::float8 + $7::float8)
 		)
 		SELECT id, name, photo_url, lat, lng,
 		       2 * 6371 * asin(sqrt(
-		           sin(radians((lat - $1) / 2))^2 +
-		           cos(radians($1)) * cos(radians(lat)) *
-		           sin(radians((lng - $2) / 2))^2
+		           sin(radians((lat - $1::float8) / 2))^2 +
+		           cos(radians($1::float8)) * cos(radians(lat)) *
+		           sin(radians((lng - $2::float8) / 2))^2
 		       )) * 1000 AS dist_m
 		FROM bbox
 		WHERE 2 * 6371 * asin(sqrt(
-		           sin(radians((lat - $1) / 2))^2 +
-		           cos(radians($1)) * cos(radians(lat)) *
-		           sin(radians((lng - $2) / 2))^2
-		       )) <= $4
+		           sin(radians((lat - $1::float8) / 2))^2 +
+		           cos(radians($1::float8)) * cos(radians(lat)) *
+		           sin(radians((lng - $2::float8) / 2))^2
+		       )) <= $4::float8
 		ORDER BY dist_m
 		LIMIT $5`,
 		lat, lng, myID, radiusKm, limit, latDelta, lngDelta,