diff --git a/tests/unittests/tests-cn_cbor/Makefile b/tests/unittests/tests-cn_cbor/Makefile
index a7ee51ee2d5badbfebcbc33160399ea59788baa1..33ab9033202181941d124172b39e243894b3d31d 100644
--- a/tests/unittests/tests-cn_cbor/Makefile
+++ b/tests/unittests/tests-cn_cbor/Makefile
@@ -1,4 +1,4 @@
-include $(RIOTBASE)/Makefile.base
+include $(RIOTBASE)/Makefile.base
 
 # Tests will fail on platforms <64 bit if not set.
 # Workaround for missing overflow detection in cn-cbor.