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-rw-r--r--lib/Net/IMAP/InterIMAP.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Net/IMAP/InterIMAP.pm b/lib/Net/IMAP/InterIMAP.pm
index 4a9ffd9..d898f6d 100644
--- a/lib/Net/IMAP/InterIMAP.pm
+++ b/lib/Net/IMAP/InterIMAP.pm
@@ -2288,7 +2288,7 @@ sub _resp($$;&$$) {
elsif (/\ASEARCH((?: [0-9]+)*)\z/) {
$callback->(split(/ /, ($1 =~ s/^ //r))) if defined $callback and $cmd eq 'SEARCH';
}
- elsif (s/\AESEARCH \(TAG \Q$set\E\)( UID)?//) {
+ elsif (defined $set and s/\AESEARCH \(TAG \Q$set\E\)( UID)?//) {
my $uid = $1;
my %ret; # RFC 4731
while ($_ ne '') {