diff --git a/src/edm.c b/src/edm.c
index 07cf532..8b3b9ae 100644
--- a/src/edm.c
+++ b/src/edm.c
@@ -27,9 +27,9 @@ int edm_encap(uint8_t* msg, uint16_t* msg_len, uint16_t msg_buf_len, int its_msg
         return 1;
     }
 
-    pthread_mutex_lock(&edm->lock);
+    pthread_mutex_lock(&edm->lock); // TODO do not use single apps socket
     itss_0send(edm->app_socket, b1, enc.encoded+1);
-    int rl = itss_0recv_rt(&edm->app_socket, b2, b_len, b1, enc.encoded+1, 1000);
+    int rl = itss_0recv_rt(&edm->app_socket, b2, b_len, b1, enc.encoded+1, 400);
     if (rl == -1) {
         rv = 1;
         log_error("[edm] request extension <TIMEOUT>");