diff --git a/library/ssl_client.c b/library/ssl_client.c
index 341e882..10566de 100644
--- a/library/ssl_client.c
+++ b/library/ssl_client.c
@@ -880,8 +880,10 @@
         int hostname_mismatch = ssl->hostname != NULL ||
                                 ssl->session_negotiate->hostname != NULL;
         if( ssl->hostname != NULL && ssl->session_negotiate->hostname != NULL )
+        {
             hostname_mismatch = strcmp(
                 ssl->hostname, ssl->session_negotiate->hostname ) != 0;
+        }
 
         if( hostname_mismatch )
         {
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 82a0d5c..828937c 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -2497,7 +2497,7 @@
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && \
     defined(MBEDTLS_SSL_SESSION_TICKETS) && \
     defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
-    defined(MBEDTLS_SSL_TLS_C)
+    defined(MBEDTLS_SSL_CLI_C)
 MBEDTLS_CHECK_RETURN_CRITICAL
 int mbedtls_ssl_session_set_hostname( mbedtls_ssl_session *session,
                                       const char *hostname );
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 521b922..c677455 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -8862,7 +8862,7 @@
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && \
     defined(MBEDTLS_SSL_SESSION_TICKETS) && \
     defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
-    defined(MBEDTLS_SSL_TLS_C)
+    defined(MBEDTLS_SSL_CLI_C)
 int mbedtls_ssl_session_set_hostname( mbedtls_ssl_session *session,
                                       const char *hostname )
 {
@@ -8907,6 +8907,6 @@
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 &&
           MBEDTLS_SSL_SESSION_TICKETS &&
           MBEDTLS_SSL_SERVER_NAME_INDICATION &&
-          MBEDTLS_SSL_TLS_C */
+          MBEDTLS_SSL_CLI_C */
 
 #endif /* MBEDTLS_SSL_TLS_C */