diff --git a/include/mbedtls/ecdh.h b/include/mbedtls/ecdh.h
index 5fdf55a..95f3980 100644
--- a/include/mbedtls/ecdh.h
+++ b/include/mbedtls/ecdh.h
@@ -52,7 +52,7 @@
 /**
  * \brief           The ECDH context structure.
  */
-typedef struct
+typedef struct mbedtls_ecdh_context
 {
     mbedtls_ecp_group grp;   /*!< The elliptic curve used. */
     mbedtls_mpi d;           /*!< The private key. */