diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h
index d9e62f0..9193b77 100644
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -184,7 +184,8 @@
  */
 typedef struct
 {
-    mbedtls_ecp_restart_mul_ctx *rsm;       /*!<  restart context for ecp_mul()     */
+    unsigned ops_done;                  /*!<  current ops count             */
+    mbedtls_ecp_restart_mul_ctx *rsm;   /*!<  ecp_mul_comb() sub-context    */
 } mbedtls_ecp_restart_ctx;
 #endif /* MBEDTLS_ECP_EARLY_RETURN */