diff --git a/package/system/procd/files/procd.sh b/package/system/procd/files/procd.sh
index 9a37343484..c5dc3c65cb 100644
--- a/package/system/procd/files/procd.sh
+++ b/package/system/procd/files/procd.sh
@@ -50,6 +50,7 @@ _procd_wrapper() {
 _procd_ubus_call() {
 	local cmd="$1"
 
+	[ -n "$PROCD_DEBUG" ] && json_dump >&2
 	ubus call service "$cmd" "$(json_dump)"
 	json_cleanup
 }