Merge contexts for session cache
diff --git a/programs/ssl/dtls_server.c b/programs/ssl/dtls_server.c
index ef899e4..6ad4e66 100644
--- a/programs/ssl/dtls_server.c
+++ b/programs/ssl/dtls_server.c
@@ -210,9 +210,9 @@
     mbedtls_ssl_set_dbg( &conf, my_debug, stdout );
 
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_set_session_cache( &conf,
-                                   mbedtls_ssl_cache_get, &cache,
-                                   mbedtls_ssl_cache_set, &cache );
+    mbedtls_ssl_set_session_cache( &conf, &cache,
+                                   mbedtls_ssl_cache_get,
+                                   mbedtls_ssl_cache_set );
 #endif
 
     mbedtls_ssl_set_ca_chain( &conf, srvcert.next, NULL );