diff --git a/wiflash_esp32/sacn.cpp b/wiflash_esp32/sacn.cpp
index 8b880eb..d00002f 100644
--- a/wiflash_esp32/sacn.cpp
+++ b/wiflash_esp32/sacn.cpp
@@ -26,6 +26,9 @@ ESPAsyncE131::ESPAsyncE131(uint8_t buffers) {
   stats.num_packets = 0;
   stats.packet_errors = 0;
   _handler = NULL;
+
+  udp.onPacket(std::bind(&ESPAsyncE131::parsePacket, this,
+                       std::placeholders::_1));
 }
 
 bool ESPAsyncE131::subscribe(uint16_t universe, e131_listen_t type) {
@@ -43,9 +46,7 @@ bool ESPAsyncE131::subscribe(uint16_t universe, e131_listen_t type) {
     default:
       return false;
   }
-
-  udp.onPacket(std::bind(&ESPAsyncE131::parsePacket, this,
-                         std::placeholders::_1));
+  
   return success;
 }