diff --git a/core/net/mac/tsch/tsch-conf.h b/core/net/mac/tsch/tsch-conf.h
index b23355539..43e50d7c3 100644
--- a/core/net/mac/tsch/tsch-conf.h
+++ b/core/net/mac/tsch/tsch-conf.h
@@ -177,9 +177,9 @@
 
 /* HW frame filtering enabled */
 #ifdef TSCH_CONF_HW_FRAME_FILTERING
-#define TSCH_HW_FRAME_FILTERING	TSCH_CONF_HW_FRAME_FILTERING
+#define TSCH_HW_FRAME_FILTERING TSCH_CONF_HW_FRAME_FILTERING
 #else /* TSCH_CONF_HW_FRAME_FILTERING */
 #define TSCH_HW_FRAME_FILTERING	1
-#endif
+#endif /* TSCH_CONF_HW_FRAME_FILTERING */
 
 #endif /* __TSCH_CONF_H__ */