diff --git a/src/flash/nor/nrf5.c b/src/flash/nor/nrf5.c
index 23b221cb3..9d2565b01 100644
--- a/src/flash/nor/nrf5.c
+++ b/src/flash/nor/nrf5.c
@@ -136,7 +136,7 @@ struct nrf5_device_spec {
 };
 
 struct nrf5_info {
-	uint32_t refcount;
+	unsigned int refcount;
 
 	struct nrf5_bank {
 		struct nrf5_info *chip;