diff --git a/Makefile b/Makefile
index cbe595a394..073374f185 100644
--- a/Makefile
+++ b/Makefile
@@ -130,11 +130,12 @@ stop/pipecd:
 run/piped: CONFIG_FILE ?=
 run/piped: INSECURE ?= false
 run/piped: LAUNCHER ?= false
+run/piped: LOG_ENCODING ?= humanize
 run/piped:
 ifeq ($(LAUNCHER),true)
-	go run cmd/launcher/main.go launcher --config-file=$(CONFIG_FILE) --insecure=$(INSECURE)
+	go run cmd/launcher/main.go launcher --config-file=$(CONFIG_FILE) --insecure=$(INSECURE) --log-encoding=$(LOG_ENCODING)
 else
-	go run cmd/piped/main.go piped --tools-dir=/tmp/piped-bin --config-file=$(CONFIG_FILE) --insecure=$(INSECURE)
+	go run cmd/piped/main.go piped --tools-dir=/tmp/piped-bin --config-file=$(CONFIG_FILE) --insecure=$(INSECURE) --log-encoding=$(LOG_ENCODING)
 endif
 
 .PHONY: run/web