diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index e4c992f..b19d8be 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -678,6 +678,7 @@
 {
     size_t i;
     (void) data;
+    int ret;
 
     ret = mbedtls_entropy_func( data, output, len );
     for (i = 0; i < len; i++ ) {