diff --git a/R/tidyverse.R b/R/tidyverse.R
index 7e0a06b4..c56f30f2 100644
--- a/R/tidyverse.R
+++ b/R/tidyverse.R
@@ -1,6 +1,7 @@
 # convert arrays to data.frame, in long form
 to_df = function(x) {
-	dplyr::as_tibble(lapply(x, function(y) structure(y, dim = NULL)))
+	out = dplyr::as_tibble(lapply(x, function(y) structure(y, dim = NULL)))
+	if(any(sapply(out, inherits, "sfc"))) sf::st_as_sf(out) else out
 }
 
 set_dim = function(x, d) {