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-rw-r--r--IkiWiki/Plugin/search.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/IkiWiki/Plugin/search.pm b/IkiWiki/Plugin/search.pm
index 0d4a8f552..dd44855bd 100644
--- a/IkiWiki/Plugin/search.pm
+++ b/IkiWiki/Plugin/search.pm
@@ -93,7 +93,7 @@ sub filter (@) { #{{{
my $size=512;
my ($sample)=substr($toindex, 0, $size);
my $next=substr($toindex, $size++, 1);
- while ($next !~ /\s/) {
+ while (defined $next && $next !~ /\s/) {
$sample.=$next;
$next=substr($toindex, $size++, 1);
}