diff --git a/man/gpkg_bbox.Rd b/man/gpkg_bbox.Rd
index b12643d..5be1364 100644
--- a/man/gpkg_bbox.Rd
+++ b/man/gpkg_bbox.Rd
@@ -26,7 +26,7 @@ This function applies an OGR SQL query to obtain bounding coordinates of a table
 tf <- tempfile(fileext = ".gpkg")
 
 r <- terra::rast(system.file("extdata", "dem.tif", package = "gpkg"))
-v <- as.polygons(r, ext = TRUE)
+v <- terra::as.polygons(r, ext = TRUE)
 g <- geopackage(list(bbox = v))
 
 gpkg_bbox(g, 'bbox')