Index: kernel/include/IMP/internal/Vector.h
===================================================================
--- kernel/include/IMP/internal/Vector.h	(revision 476)
+++ kernel/include/IMP/internal/Vector.h	(working copy)
@@ -8,6 +8,8 @@
 #ifndef __IMP_VECTOR_H
 #define __IMP_VECTOR_H
 
+#include "../exception.h"
+
 #include <vector>
 
 namespace IMP