diff --git a/include/mbedtls/psa_util.h b/include/mbedtls/psa_util.h
index 75fcdac..d5feecb 100644
--- a/include/mbedtls/psa_util.h
+++ b/include/mbedtls/psa_util.h
@@ -25,6 +25,7 @@
 
 #ifndef MBEDTLS_PSA_UTIL_H
 #define MBEDTLS_PSA_UTIL_H
+#include "mbedtls/private_access.h"
 
 #if !defined(MBEDTLS_CONFIG_FILE)
 #include "mbedtls/config.h"
@@ -380,7 +381,7 @@
     if( curve_info == NULL )
         return( 0 );
     return( PSA_KEY_TYPE_ECC_KEY_PAIR(
-                mbedtls_ecc_group_to_psa( curve_info->grp_id, bits ) ) );
+                mbedtls_ecc_group_to_psa( curve_info->MBEDTLS_PRIVATE(grp_id), bits ) ) );
 }
 #endif /* MBEDTLS_ECP_C */