diff --git a/tests/periph_i2c/Makefile b/tests/periph_i2c/Makefile
index 56e66531fd63fc3f9703d36627bb1a9409770ae3..b9e40bd0619fa5bfc1250878ea9ee1cc3992f2bc 100644
--- a/tests/periph_i2c/Makefile
+++ b/tests/periph_i2c/Makefile
@@ -1,4 +1,5 @@
 APPLICATION = periph_i2c
+BOARD ?= samr21-xpro
 include ../Makefile.tests_common
 
 FEATURES_REQUIRED = periph_i2c