diff --git a/autotest/CppParser/CppParser.cpp b/autotest/CppParser/CppParser.cpp
index 40561e334..1ec8cb062 100644
--- a/autotest/CppParser/CppParser.cpp
+++ b/autotest/CppParser/CppParser.cpp
@@ -1,4 +1,5 @@
 #include <CppBase/CppBase.h>
+#include <CppBase/Internal.h>
 
 using namespace Upp;
 
diff --git a/autotest/PPTest/PPTest.cpp b/autotest/PPTest/PPTest.cpp
index 102ef0ca6..a9e252b8f 100644
--- a/autotest/PPTest/PPTest.cpp
+++ b/autotest/PPTest/PPTest.cpp
@@ -1,5 +1,6 @@
 #include <Core/Core.h>
 #include <CppBase/CppBase.h>
+#include <CppBase/Internal.h>
 
 using namespace Upp;