diff --git a/ChangeLog b/ChangeLog
index 422477f..804243c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+btrbk-current
+
+  * Bugfix: fix sorting of dates in schedule().
+
 btrbk-0.19.2
 
   * Bugfix: fix crash when using btrfs-progs < 3.17.3 (closes: #24).
diff --git a/btrbk b/btrbk
index 5dc0f05..c17421d 100755
--- a/btrbk
+++ b/btrbk
@@ -1255,7 +1255,7 @@ sub schedule(@)
   my @sorted_schedule = sort { ($a->{date}->[0] <=> $b->{date}->[0]) ||
                                ($a->{date}->[1] <=> $b->{date}->[1]) ||
                                ($a->{date}->[2] <=> $b->{date}->[2]) ||
-                               ($a->{date_ext}  <=> $a->{date_ext})
+                               ($a->{date_ext}  <=> $b->{date_ext})
                              } @$schedule;
 
   # first, do our calendar calculations