diff --git a/library/psa_crypto_ffdh.c b/library/psa_crypto_ffdh.c
index a65ef4660..d8a208fae 100644
--- a/library/psa_crypto_ffdh.c
+++ b/library/psa_crypto_ffdh.c
@@ -27,6 +27,7 @@
 #include "psa_crypto_ffdh.h"
 #include "psa_crypto_random_impl.h"
 #include "mbedtls/platform.h"
+#include "mbedtls/error.h"
 
 #if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_KEY_PAIR_LEGACY) ||   \
     defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_PUBLIC_KEY) || \
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 325bb097c..a16198f4a 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -24,6 +24,8 @@
 
 #include "mbedtls/build_info.h"
 
+#include "mbedtls/error.h"
+
 #include "mbedtls/ssl.h"
 #include "mbedtls/cipher.h"
 
diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index ba64c32c1..df2bd3499 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -25,6 +25,7 @@
 #include "mbedtls/error.h"
 #include "mbedtls/platform.h"
 #include "mbedtls/constant_time.h"
+#include "mbedtls/oid.h"
 #include "md_psa.h"
 
 #include "ssl_misc.h"
diff --git a/tests/suites/test_suite_pkcs7.function b/tests/suites/test_suite_pkcs7.function
index 3c93d0fcf..35855225b 100644
--- a/tests/suites/test_suite_pkcs7.function
+++ b/tests/suites/test_suite_pkcs7.function
@@ -8,6 +8,7 @@
 #include "sys/types.h"
 #include "sys/stat.h"
 #include "mbedtls/rsa.h"
+#include "mbedtls/error.h"
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES