diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index 40304dd381..b099fded5a 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -7,6 +7,8 @@
 
 #define MBEDTLS_ALLOW_PRIVATE_ACCESS
 
+#include "mbedtls/private/pk_private.h"
+
 #include "ssl_test_lib.h"
 
 #include "test/psa_crypto_helpers.h"
diff --git a/programs/ssl/ssl_test_lib.h b/programs/ssl/ssl_test_lib.h
index 1dda8d62ac..6602b1ae21 100644
--- a/programs/ssl/ssl_test_lib.h
+++ b/programs/ssl/ssl_test_lib.h
@@ -8,6 +8,8 @@
 #ifndef MBEDTLS_PROGRAMS_SSL_SSL_TEST_LIB_H
 #define MBEDTLS_PROGRAMS_SSL_SSL_TEST_LIB_H
 
+#include "mbedtls/private/pk_private.h"
+
 #include "mbedtls/build_info.h"
 
 #include "mbedtls/platform.h"