diff --git a/voxel/src/main.cpp b/voxel/src/main.cpp
index 1f5ca97fa7..697accf675 100644
--- a/voxel/src/main.cpp
+++ b/voxel/src/main.cpp
@@ -14,6 +14,7 @@
 #include <cstring>
 #include <cstdio>
 #include <SharedUtil.h>
+#include <AgentList.h>
 
 const int VOXEL_LISTEN_PORT = 40106;