diff --git a/vcg/complex/allocate.h b/vcg/complex/allocate.h
index d8793f2d..b6bebbeb 100644
--- a/vcg/complex/allocate.h
+++ b/vcg/complex/allocate.h
@@ -26,6 +26,7 @@
 
 #include <map>
 #include <set>
+#include <vcg/container/simple_temporary_data.h>
 
 namespace vcg {