diff --git a/libs/util/include/psemek/util/thread.hpp b/libs/util/include/psemek/util/thread.hpp
index c567bac6..de1a5192 100644
--- a/libs/util/include/psemek/util/thread.hpp
+++ b/libs/util/include/psemek/util/thread.hpp
@@ -14,6 +14,7 @@ namespace psemek::util
 		{}
 
 		thread(thread &&) = default;
+		thread & operator = (thread &&) = default;
 
 		~ thread()
 		{