diff --git a/pkgs/stdenv/generic/setup.sh b/pkgs/stdenv/generic/setup.sh
index ec5a5e6dcb9d8..c7dc7d75e3a1d 100644
--- a/pkgs/stdenv/generic/setup.sh
+++ b/pkgs/stdenv/generic/setup.sh
@@ -829,15 +829,16 @@ _defaultUnpack() {
 
     else
 
+        # warning=no-timestamp: ignore "time stamp is in the future"
         case "$fn" in
             *.tar.xz | *.tar.lzma | *.txz)
                 # Don't rely on tar knowing about .xz.
-                xz -d < "$fn" | tar xf -
+                xz -d < "$fn" | tar xf - --warning=no-timestamp
                 ;;
             *.tar | *.tar.* | *.tgz | *.tbz2 | *.tbz)
                 # GNU tar can automatically select the decompression method
                 # (info "(tar) gzip").
-                tar xf "$fn"
+                tar xf "$fn" --warning=no-timestamp
                 ;;
             *)
                 return 1