diff --git a/boards/reel/include/periph_conf.h b/boards/reel/include/periph_conf.h
index a85fe7388d..58d5df0138 100644
--- a/boards/reel/include/periph_conf.h
+++ b/boards/reel/include/periph_conf.h
@@ -66,6 +66,11 @@ static const spi_conf_t spi_config[] = {
 #define SPI_NUMOF           ARRAY_SIZE(spi_config)
 /** @} */
 
+/**
+ * @brief Enable the internal DC/DC converter
+ */
+#define NRF5X_ENABLE_DCDC
+
 #ifdef __cplusplus
 }
 #endif