diff --git a/xCAT-server/debian/rules b/xCAT-server/debian/rules
index 6955f797d..410c07bb6 100644
--- a/xCAT-server/debian/rules
+++ b/xCAT-server/debian/rules
@@ -60,7 +60,7 @@ binary-arch:
 	chmod 644 $(rootdir)/lib/perl/xCAT_monitoring/samples/*
 	chmod 755 $(rootdir)/lib/perl/xCAT_monitoring/pcp
 	chmod 644 $(rootdir)/lib/perl/xCAT_monitoring/pcp/*
-        chmod 644 $(rootdir)/lib/perl/Confluent/*
+	chmod 644 $(rootdir)/lib/perl/Confluent/*
 	chmod 644 $(rootdir)/lib/perl/xCAT_schema/*
 	chmod 755 $(rootdir)/lib/perl/xCAT_schema/samples
 	chmod 644 $(rootdir)/lib/perl/xCAT_schema/samples/*