diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index 33e8cc6..e10937b 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -1326,6 +1326,7 @@
 {
     int ret = 0;
     size_t selected_identity;
+    int psk_type;
 
     const unsigned char *psk;
     size_t psk_len;