diff --git a/arch/arm/src/stm32f7/stm32_bbsram.c b/arch/arm/src/stm32f7/stm32_bbsram.c
index b609f0a6223..1239ae5c049 100644
--- a/arch/arm/src/stm32f7/stm32_bbsram.c
+++ b/arch/arm/src/stm32f7/stm32_bbsram.c
@@ -35,6 +35,7 @@
 #include <stdbool.h>
 #include <string.h>
 #include <poll.h>
+#include <assert.h>
 #include <errno.h>
 #include <unistd.h>
 #include <time.h>