diff --git a/lldb/source/Commands/CommandObjectFrame.cpp b/lldb/source/Commands/CommandObjectFrame.cpp
index 0d955b3..1616ecc 100644
--- a/lldb/source/Commands/CommandObjectFrame.cpp
+++ b/lldb/source/Commands/CommandObjectFrame.cpp
@@ -20,6 +20,7 @@
 #include "lldb/Core/Value.h"
 #include "lldb/Core/ValueObject.h"
 #include "lldb/Core/ValueObjectVariable.h"
+#include "lldb/Host/Host.h"
 #include "lldb/Interpreter/Args.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/CommandReturnObject.h"