diff -ru xmlrpc-c-1.06.09.orig/lib/curl_transport/xmlrpc_curl_transport.c xmlrpc-c-1.06.09/lib/curl_transport/xmlrpc_curl_transport.c
--- xmlrpc-c-1.06.09.orig/lib/curl_transport/xmlrpc_curl_transport.c	2008-04-20 21:51:06.000000000 +0200
+++ xmlrpc-c-1.06.09/lib/curl_transport/xmlrpc_curl_transport.c	2008-04-20 21:52:13.000000000 +0200
@@ -1214,7 +1214,8 @@
             curl_easy_setopt(curlSessionP, CURLOPT_SSLENGINE,
                              curlSetupP->sslEngine);
         if (curlSetupP->sslEngineDefault)
-            curl_easy_setopt(curlSessionP, CURLOPT_SSLENGINE_DEFAULT);
+            curl_easy_setopt(curlSessionP, CURLOPT_SSLENGINE_DEFAULT,
+                             curlSetupP->sslEngineDefault);
         if (curlSetupP->sslVersion != XMLRPC_SSLVERSION_DEFAULT)
             curl_easy_setopt(curlSessionP, CURLOPT_SSLVERSION,
                              curlSetupP->sslVersion);