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-rw-r--r--lib/PublicInbox/GitAsyncRd.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/PublicInbox/GitAsyncRd.pm b/lib/PublicInbox/GitAsyncRd.pm
index a56dc392..465db2c7 100644
--- a/lib/PublicInbox/GitAsyncRd.pm
+++ b/lib/PublicInbox/GitAsyncRd.pm
@@ -29,7 +29,7 @@ sub cat_file_async {
         my ($self, $obj, $cb) = @_;
         # order matters
         push @{$self->{jobq}}, [ $obj, $cb ];
-        $self->{wr}->write($obj."\n");
+        $self->{wr}->write(\"$obj\n");
 }
 
 # Returns: an array ref of the info line for --batch-check and --batch,