diff --git a/tests/driver_ds3231/Makefile b/tests/driver_ds3231/Makefile
index 76db659f0de2..1abdcebbb070 100644
--- a/tests/driver_ds3231/Makefile
+++ b/tests/driver_ds3231/Makefile
@@ -1,5 +1,8 @@
 include ../Makefile.tests_common
 
+# the test needs real hardware to run
+TEST_ON_CI_BLACKLIST += all
+
 # Blacklist iotlab boards since a different device has the same i2c address
 BOARD_BLACKLIST := iotlab-a8-m3 \
                    iotlab-m3