diff --git a/R/betterDateInput.R b/R/betterDateInput.R
index e9a275e..5fe9f7c 100644
--- a/R/betterDateInput.R
+++ b/R/betterDateInput.R
@@ -19,10 +19,12 @@ formatDates <- function(value, min, max) {
     value[lubridate::ymd(value) > lubridate::ymd(dates$max)] <- dates$max
   }
   dates <- lapply(dates, format, "%Y-%m-%d")
-  value <- lapply(value, format, "%Y-%m-%d")
   dates <- lapply(dates, function(.x) {
     if (length(.x) == 0) NULL else .x
   })
+  sort_order <- sort(as.numeric(value), index.return = TRUE, na.last = FALSE)$ix
+  value <- value[sort_order]
+  value <- lapply(value, format, "%Y-%m-%d")
   value <- lapply(value, function(.x) {
     if (length(.x) == 0) NULL else .x
   })