diff --git a/R/fetch_available_archives.R b/R/fetch_available_archives.R
index d9e3201..ad8d0d6 100644
--- a/R/fetch_available_archives.R
+++ b/R/fetch_available_archives.R
@@ -30,7 +30,7 @@
   fn <- ".pacman/archive.rds"
   dist_fn <- ".pacman/archive_dist.rds"
   if (file.exists(dist_fn)) {
-    ts <- as.POSIXct("1970-01-01 00:00:00", tz = "GMT") + as.numeric(Sys.Date() + 1) * 86400
+    ts <- as.POSIXct("1970-01-01 00:00:00", tz = "GMT") + as.numeric(Sys.Date() - 1) * 86400
     if (refetch || (ts < file.mtime(dist_fn))) {
       unlink(dist_fn)
       unlink(fn)
@@ -61,4 +61,4 @@ fetch_available_archives <- function(refetch = FALSE) {
     warning = function(e) list(),
     error = function(e) list()
   )
-}
\ No newline at end of file
+}
diff --git a/R/fetch_available_packages.R b/R/fetch_available_packages.R
index f0f8647..56f5dd1 100644
--- a/R/fetch_available_packages.R
+++ b/R/fetch_available_packages.R
@@ -4,7 +4,7 @@
   check_pacman_dir()
   fn <- ".pacman/packages.rds"
   if (file.exists(fn)) {
-    ts <- as.POSIXct("1970-01-01 00:00:00", tz = "GMT") + as.numeric(Sys.Date() + 1) * 86400
+    ts <- as.POSIXct("1970-01-01 00:00:00", tz = "GMT") + as.numeric(Sys.Date() - 1) * 86400
     if (refetch || (ts < file.mtime(fn))) {
       unlink(fn)
     }