diff --git a/R/tm_layers_raster.R b/R/tm_layers_raster.R
index e98006db..2a5e736f 100644
--- a/R/tm_layers_raster.R
+++ b/R/tm_layers_raster.R
@@ -2,7 +2,7 @@
 #' @name opt_tm_raster
 #' @param interpolate Should the raster image be interpolated? Currently only applicable in view mode (passed on to [`grid`][grid::rasterGrob()])
 #' @export
-opt_tm_raster = function(interpolate = FALSE) {
+opt_tm_raster = function(interpolate = TRUE) {
 	list(trans.args = list(),
 		 mapping.args = list(interpolate = interpolate))
 }
diff --git a/R/tmapGridAux.R b/R/tmapGridAux.R
index 9cf4e30b..0ed3e906 100644
--- a/R/tmapGridAux.R
+++ b/R/tmapGridAux.R
@@ -368,7 +368,7 @@ tmapGridTiles = function(bi, bbx, facet_row, facet_col, facet_page, id, pane, gr
 	shpTM = g$bmaps_shpTHs[[id]][[bi]]
 	gp = list()
 	
-	if (!is.null(dt)) tmapGridRaster(shpTM, dt, gp, bbx, facet_row, facet_col, facet_page, id, pane, group, o)	
+	if (!is.null(dt)) tmapGridRaster(shpTM, dt, gp, bbx, facet_row, facet_col, facet_page, id, pane, group, o, interpolate = FALSE)	
 }