diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 71c99d3..43cbe0f 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -5730,7 +5730,7 @@
         return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
 
     if( ssl->handshake->psk != NULL )
-        mbedtls_free( ssl->conf->psk );
+        mbedtls_free( ssl->handshake->psk );
 
     if( ( ssl->handshake->psk = mbedtls_calloc( 1, psk_len ) ) == NULL )
     {