diff --git a/tests/slip/Makefile b/tests/slip/Makefile
index 9085a63a06..bfc497ea85 100644
--- a/tests/slip/Makefile
+++ b/tests/slip/Makefile
@@ -13,8 +13,8 @@ SLIP_UART     ?= "UART_NUMOF-1"
 SLIP_BAUDRATE ?= 115200
 
 # export slip parameters
-CFLAGS += -DSLIP_UART="UART_DEV($(SLIP_UART))"
-CFLAGS += -DSLIP_BAUDRATE=$(SLIP_BAUDRATE)
+CFLAGS += -DSLIPDEV_PARAM_UART="UART_DEV($(SLIP_UART))"
+CFLAGS += -DSLIPDEV_PARAM_BAUDRATE=$(SLIP_BAUDRATE)
 
 # add current directory to the include path. Putting it in CFLAGS will make
 # it go to the beginning, before the standard includes.
diff --git a/tests/slip/slipdev_params.h b/tests/slip/slipdev_params.h
index bd3979ab0a..73e797e88b 100644
--- a/tests/slip/slipdev_params.h
+++ b/tests/slip/slipdev_params.h
@@ -27,8 +27,8 @@ extern "C" {
 
 static slipdev_params_t slipdev_params[] = {
     {
-        .uart = SLIP_UART,
-        .baudrate = SLIP_BAUDRATE,
+        .uart = SLIPDEV_PARAM_UART,
+        .baudrate = SLIPDEV_PARAM_BAUDRATE,
     },
 };