diff --git a/src/util/thread.h b/src/util/thread.h
index 5ed63544c..d43e06e0a 100644
--- a/src/util/thread.h
+++ b/src/util/thread.h
@@ -26,6 +26,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "../threading/mutex_auto_lock.h"
 #include "porting.h"
 #include "log.h"
+#include "container.h"
 
 template<typename T>
 class MutexedVariable {