Index: src/Tuples/Explode.cc
===================================================================
--- src/Tuples/Explode.cc	(revision 36cb4d92efaaeac0da43b1177fc4a6cd1daaa50b)
+++ src/Tuples/Explode.cc	(revision 687b663f6ff1064b49dd90edc1954e54108c791c)
@@ -17,4 +17,5 @@
 #include <list>                  // for list
 
+#include "AST/Pass.hpp"          // for Pass
 #include "SynTree/Mutator.h"     // for Mutator
 #include "Common/PassVisitor.h"  // for PassVisitor