diff --git a/monitor/collectd/collectd.conf b/monitor/collectd/collectd.conf
index 6c49e9417..f1642e6b1 100644
--- a/monitor/collectd/collectd.conf
+++ b/monitor/collectd/collectd.conf
@@ -12,8 +12,10 @@
 # GNU General Public License can be found in the file COPYING.
 # --- SDE-COPYRIGHT-NOTE-END ---
 
-prefix="opt/collectd"
-set_confopt
+if [ $prefix_auto = 1 ]; then
+	prefix="opt/collectd"
+	set_confopt
+fi
 
 var_append GCC_WRAPPER_REMOVE ' ' '-Werror'