diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index ac3d1b1..a7b019c 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -1077,6 +1077,7 @@
     {
         mbedtls_printf( "Async resume callback: %s done but injected error\n",
                         op_name );
+        mbedtls_free( ctx );
         return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
     }