diff --git a/crypto/dh_helper.c b/crypto/dh_helper.c
index 8ba8a3f82620..69869dad344a 100644
--- a/crypto/dh_helper.c
+++ b/crypto/dh_helper.c
@@ -28,7 +28,7 @@ static inline const u8 *dh_unpack_data(void *dst, const void *src, size_t size)
 	return src + size;
 }
 
-static inline int dh_data_size(const struct dh *p)
+static inline unsigned int dh_data_size(const struct dh *p)
 {
 	return p->key_size + p->p_size + p->g_size;
 }