diff --git a/tests/driver_l3g4200d/Makefile b/tests/driver_l3g4200d/Makefile
index ec4d04db1b..c329a51788 100644
--- a/tests/driver_l3g4200d/Makefile
+++ b/tests/driver_l3g4200d/Makefile
@@ -6,29 +6,16 @@ FEATURES_REQUIRED = periph_i2c periph_gpio
 USEMODULE += l3g4200d
 USEMODULE += xtimer
 
-ifneq (,$(TEST_L3G4200D_I2C))
-  CFLAGS += -DTEST_L3G4200D_I2C=$(TEST_L3G4200D_I2C)
-else
-  # set random default
-  CFLAGS += -DTEST_L3G4200D_I2C=I2C_0
-endif
-ifneq (,$(TEST_L3G4200D_ADDR))
-  CFLAGS += -DTEST_L3G4200D_ADDR=$(TEST_L3G4200D_ADDR)
-else
-  # set random default
-  CFLAGS += -DTEST_L3G4200D_ADDR=104
-endif
-ifneq (,$(TEST_L3G4200D_INT))
-  CFLAGS += -DTEST_L3G4200D_INT=$(TEST_L3G4200D_INT)
-else
-  # set random default
-  CFLAGS += -DTEST_L3G4200D_INT=GPIO_PIN\(0,0\)
-endif
-ifneq (,$(TEST_L3G4200D_DRDY))
-  CFLAGS += -DTEST_L3G4200D_DRDY=$(TEST_L3G4200D_DRDY)
-else
-  # set random default
-  CFLAGS += -DTEST_L3G4200D_DRDY=GPIO_PIN\(0,1\)
-endif
+# set default device parameters in case they are undefined
+TEST_L3G4200D_I2C  ?= I2C_0
+TEST_L3G4200D_ADDR ?= 104
+TEST_L3G4200D_INT  ?= GPIO_PIN\(0,0\)
+TEST_L3G4200D_DRDY ?= GPIO_PIN\(0,1\)
+
+# export parameters
+CFLAGS += -DTEST_L3G4200D_I2C=$(TEST_L3G4200D_I2C)
+CFLAGS += -DTEST_L3G4200D_ADDR=$(TEST_L3G4200D_ADDR)
+CFLAGS += -DTEST_L3G4200D_INT=$(TEST_L3G4200D_INT)
+CFLAGS += -DTEST_L3G4200D_DRDY=$(TEST_L3G4200D_DRDY)
 
 include $(RIOTBASE)/Makefile.include