diff --git a/src/subscriber.c b/src/subscriber.c
index 08e5a25..44a2a41 100644
--- a/src/subscriber.c
+++ b/src/subscriber.c
@@ -5,6 +5,7 @@
 
 /// @brief Set to non-zero to stop the processes
 unsigned char __stop=0;
+char buffer[ZMQ_MSG_SIZE];
 
 /**
  * @brief Stop process properly on SIGINT
@@ -47,7 +48,6 @@ int main (int argc, char *argv [])
                         ZMQ_TOKEN, strlen(ZMQ_TOKEN));
 
   //----- Listen
-  char buffer[ZMQ_MSG_SIZE];
   int size;
   while(!__stop){
     size=zmq_recv (subscriber, buffer, ZMQ_MSG_SIZE-1, 0);