diff --git a/docs/ngcpcfg.txt b/docs/ngcpcfg.txt
index 263c5e8f..c7e0fb80 100644
--- a/docs/ngcpcfg.txt
+++ b/docs/ngcpcfg.txt
@@ -176,6 +176,8 @@ Options
   **--debug** <action> [<further_options>]::
 
 Run actions (see next section) in verbose mode, useful for debugging.
+Debug output will be sent to syslog (available as /var/log/ngcp/ngcpcfg.log on
+NGCP systems) as well as stderr.
 
   **--help**::
 
diff --git a/functions/main b/functions/main
index bc4e9128..d629ee4c 100644
--- a/functions/main
+++ b/functions/main
@@ -44,7 +44,7 @@ log_error() {
 log_debug() {
   if [ -n "${DEBUG:-}" ] ; then
     logger -t ngcpcfg -- "Debug: $*"
-    console_output "DEBUG: $*\n"
+    console_output "DEBUG: $*\n" >&2
   fi
 }