diff --git a/pml_logic_loop.c b/pml_logic_loop.c
index 1b75818..4f2ff9e 100755
--- a/pml_logic_loop.c
+++ b/pml_logic_loop.c
@@ -2,6 +2,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include "unified_voice.h"
 #include <sys/socket.h>
 #include <arpa/inet.h>
 #include "memory_silo.h"