diff --git a/include/mmc.h b/include/mmc.h
index ba4a13e8..59ea363 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -544,6 +544,7 @@
 	uint clock;
 	enum mmc_voltage signal_voltage;
 	uint card_caps;
+	uint host_caps;
 	uint ocr;
 	uint dsr;
 	uint dsr_imp;