diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h
index 913e323..a3b4424 100644
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -317,10 +317,10 @@
  */
 typedef struct
 {
-    unsigned ops_done;                  /*!<  current ops count             */
-    unsigned depth;                     /*!<  call depth (0 = top-level)    */
-    mbedtls_ecp_restart_mul_ctx *rsm;   /*!<  ecp_mul_comb() sub-context    */
-    mbedtls_ecp_restart_muladd_ctx *ma; /*!<  ecp_muladd() sub-context      */
+    unsigned MBEDTLS_PRIVATE(ops_done);                  /*!<  current ops count             */
+    unsigned MBEDTLS_PRIVATE(depth);                     /*!<  call depth (0 = top-level)    */
+    mbedtls_ecp_restart_mul_ctx *MBEDTLS_PRIVATE(rsm);   /*!<  ecp_mul_comb() sub-context    */
+    mbedtls_ecp_restart_muladd_ctx *MBEDTLS_PRIVATE(ma); /*!<  ecp_muladd() sub-context      */
 } mbedtls_ecp_restart_ctx;
 
 /*