diff --git a/lib/Analysis/Expressions.cpp b/lib/Analysis/Expressions.cpp
index cd68d04f8ae..f4f76af4c99 100644
--- a/lib/Analysis/Expressions.cpp
+++ b/lib/Analysis/Expressions.cpp
@@ -11,6 +11,7 @@
 #include "llvm/ConstantHandling.h"
 #include "llvm/Function.h"
 #include "llvm/BasicBlock.h"
+#include "llvm/Instruction.h"
 #include <iostream>
 
 using namespace analysis;