diff --git a/Tester/Test.cpp b/Tester/Test.cpp
index 9216847..f6babcb 100644
--- a/Tester/Test.cpp
+++ b/Tester/Test.cpp
@@ -1,11 +1,12 @@
 #include <chrono>
 #include <string>
-#include "../Jupiter/Functions.h"
-#include "../Jupiter/CString.h"
-#include "../Jupiter/String.h"
-#include "../Jupiter/File.h"
-#include "../Jupiter/Base64.h"
-#include "../Jupiter/InvalidIndex.h"
+#include "Jupiter/Functions.h"
+#include "Jupiter/CString.h"
+#include "Jupiter/String.h"
+#include "Jupiter/File.h"
+#include "Jupiter/Base64.h"
+#include "Jupiter/InvalidIndex.h"
+#include "Jupiter/Reference_String.h"
 
 using namespace Jupiter;
 
diff --git a/Tester/Tester.vcxproj b/Tester/Tester.vcxproj
index b825fc1..76ad844 100644
--- a/Tester/Tester.vcxproj
+++ b/Tester/Tester.vcxproj
@@ -67,6 +67,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>../;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>