diff --git a/include/cont/deque.h b/include/cont/deque.h
index dbc537a..4e8796e 100644
--- a/include/cont/deque.h
+++ b/include/cont/deque.h
@@ -33,7 +33,7 @@
 
 #include <core/core.h>
 #include <core/ring_iterator.h>
-
+#include <cont/range.h>
 #include <array>
 #include <atomic>