diff --git a/include/llvm/CodeGen/MachineFrameInfo.h b/include/llvm/CodeGen/MachineFrameInfo.h
index 6f907e1ff36..c1e9b9a7d33 100644
--- a/include/llvm/CodeGen/MachineFrameInfo.h
+++ b/include/llvm/CodeGen/MachineFrameInfo.h
@@ -33,6 +33,7 @@
 
 class TargetData;
 class TargetRegisterClass;
+class Type;
 class MachineFunction;
 #include <vector>