diff --git a/boards/b-l475e-iot01a/Makefile.features b/boards/b-l475e-iot01a/Makefile.features
index c7954ad1a1497e4b919e767cab943fb501285e60..009a5d46103d1680ab33687a5557ee85746c38ae 100644
--- a/boards/b-l475e-iot01a/Makefile.features
+++ b/boards/b-l475e-iot01a/Makefile.features
@@ -2,6 +2,8 @@
 FEATURES_PROVIDED += periph_dma
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_pwm
+FEATURES_PROVIDED += periph_rtc
+FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart