diff --git a/lib/PBot/Core/BanList.pm b/lib/PBot/Core/BanList.pm
index 6ac2227c..3cd4018e 100644
--- a/lib/PBot/Core/BanList.pm
+++ b/lib/PBot/Core/BanList.pm
@@ -142,7 +142,7 @@ sub has_ban_timeout($self, $channel, $mask, $mode = 'b') {
     }
 }
 
-sub ban_user_timed($self, $channel, $mode, $mask, $length, $owner, $reason, $immediately = 0) {
+sub ban_user_timed($self, $channel, $mode, $mask, $length, $owner, $reason, $immediately = undef) {
     $channel = lc $channel;
     $mask    = lc $mask;
 
@@ -172,22 +172,22 @@ sub ban_user_timed($self, $channel, $mode, $mask, $length, $owner, $reason, $imm
     }
 }
 
-sub ban_user($self, $channel, $mode, $mask, $immediately = 0) {
+sub ban_user($self, $channel, $mode, $mask, $immediately = undef) {
     $self->{pbot}->{logger}->log("Banning $channel +$mode $mask\n");
     $self->add_to_ban_queue($channel, $mode, $mask);
-    if ($immediately) {
+    if (not defined $immediately or $immediately != 0) {
         $self->flush_ban_queue;
     }
 }
 
-sub unban_user($self, $channel, $mode, $mask, $immediately = 0) {
+sub unban_user($self, $channel, $mode, $mask, $immediately = undef) {
     $mask    = lc $mask;
     $channel = lc $channel;
     $self->{pbot}->{logger}->log("Unbanning $channel -$mode $mask\n");
     $self->unmode_user($channel, $mode, $mask, $immediately);
 }
 
-sub unmode_user($self, $channel, $mode, $mask, $immediately = 0) {
+sub unmode_user($self, $channel, $mode, $mask, $immediately = undef) {
     $mask    = lc $mask;
     $channel = lc $channel;
     $self->{pbot}->{logger}->log("Removing mode $mode from $mask in $channel\n");
diff --git a/lib/PBot/VERSION.pm b/lib/PBot/VERSION.pm
index f648c4f7..74b03b2a 100644
--- a/lib/PBot/VERSION.pm
+++ b/lib/PBot/VERSION.pm
@@ -25,8 +25,8 @@ use PBot::Imports;
 # These are set by the /misc/update_version script
 use constant {
     BUILD_NAME     => "PBot",
-    BUILD_REVISION => 4652,
-    BUILD_DATE     => "2023-04-21",
+    BUILD_REVISION => 4653,
+    BUILD_DATE     => "2023-04-28",
 };
 
 sub initialize {}