diff --git a/examples/ti/ek-tm4c1294xl-freertos/Makefile b/examples/ti/ek-tm4c1294xl-freertos/Makefile
index f1b7a6db..2dceb06f 100644
--- a/examples/ti/ek-tm4c1294xl-freertos/Makefile
+++ b/examples/ti/ek-tm4c1294xl-freertos/Makefile
@@ -46,7 +46,7 @@ DEVICE_URL ?= https://dash.vcon.io/api/v3/devices/1
 update: firmware.bin
 	curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/ota --data-binary @$<
 
-test update: CFLAGS_EXTRA += -DUART_DEBUG=UART1
+test update: CFLAGS_EXTRA += -DUART_DEBUG=UART0
 test: update
 	curl --fail-with-body -su :$(VCON_API_KEY) $(DEVICE_URL)/tx?t=5 | tee /tmp/output.txt
 	grep 'READY, IP:' /tmp/output.txt       # Check for network init