diff --git a/debian/templates/log4perl-site.conf.in b/debian/templates/log4perl-site.conf.in
index 1466666dfe..fef013a8dd 100644
--- a/debian/templates/log4perl-site.conf.in
+++ b/debian/templates/log4perl-site.conf.in
@@ -35,7 +35,7 @@ log4perl.appender.SIP=Log::Log4perl::Appender::File
 log4perl.appender.SIP.filename=__LOG_DIR__/sip.log
 log4perl.appender.SIP.mode=append
 log4perl.appender.SIP.layout=PatternLayout
-log4perl.appender.SIP.layout.ConversionPattern=[%d] [%P] [%p] %X{accountid}@%X{peeraddr}: %m %l%n
+log4perl.appender.SIP.layout.ConversionPattern=[%d] [%P] [%p] %X{accountid}@%X{peeraddr}: %m{chomp} %l%n
 log4perl.appender.SIP.utf8=1
 
 log4perl.logger.plack-opac = WARN, PLACKOPAC