diff --git a/Source/Core/DolphinLib.props b/Source/Core/DolphinLib.props
@@ -166,6 +166,7 @@
     <ClInclude Include="Core\BootManager.h" />
     <ClInclude Include="Core\CheatCodes.h" />
     <ClInclude Include="Core\CommonTitles.h" />
+    <ClInclude Include="Core\Config\DefaultLocale.h" />
     <ClInclude Include="Core\Config\FreeLookSettings.h" />
     <ClInclude Include="Core\Config\GraphicsSettings.h" />
     <ClInclude Include="Core\Config\MainSettings.h" />
@@ -737,6 +738,7 @@
     <ClCompile Include="Core\Boot\DolReader.cpp" />
     <ClCompile Include="Core\Boot\ElfReader.cpp" />
     <ClCompile Include="Core\BootManager.cpp" />
+    <ClCompile Include="Core\Config\DefaultLocale.cpp" />
     <ClCompile Include="Core\Config\FreeLookSettings.cpp" />
     <ClCompile Include="Core\Config\GraphicsSettings.cpp" />
     <ClCompile Include="Core\Config\MainSettings.cpp" />

diff --git a/Source/Core/DolphinNoGUI/MainNoGUI.cpp b/Source/Core/DolphinNoGUI/MainNoGUI.cpp
@@ -10,6 +10,8 @@
 #include <cstring>
 #include <signal.h>
 #include <string>
+#include <vector>
+
 #ifndef _WIN32
 #include <unistd.h>
 #else
@@ -48,9 +50,15 @@ static void signal_handler(int)
   s_platform->RequestShutdown();
 }
 
+std::vector<std::string> Host_GetPreferredLocales()
+{
+  return {};
+}
+
 void Host_NotifyMapLoaded()
 {
 }
+
 void Host_RefreshDSPDebuggerWindow()
 {
 }

diff --git a/Source/Core/DolphinQt/Host.cpp b/Source/Core/DolphinQt/Host.cpp
@@ -6,6 +6,7 @@
 
 #include <QAbstractEventDispatcher>
 #include <QApplication>
+#include <QLocale>
 
 #include <imgui.h>
 
@@ -95,6 +96,17 @@ void Host::ResizeSurface(int new_width, int new_height)
     g_renderer->ResizeSurface();
 }
 
+std::vector<std::string> Host_GetPreferredLocales()
+{
+  const QStringList ui_languages = QLocale::system().uiLanguages();
+  std::vector<std::string> converted_languages(ui_languages.size());
+
+  for (int i = 0; i < ui_languages.size(); ++i)
+    converted_languages[i] = ui_languages[i].toStdString();
+
+  return converted_languages;
+}
+
 void Host_Message(HostMessageID id)
 {
   if (id == HostMessageID::WMUserStop)

diff --git a/Source/DSPTool/StubHost.cpp b/Source/DSPTool/StubHost.cpp
@@ -6,9 +6,14 @@
 // do nothing except return default values when required.
 
 #include <string>
+#include <vector>
 
 #include "Core/Host.h"
 
+std::vector<std::string> Host_GetPreferredLocales()
+{
+  return {};
+}
 void Host_NotifyMapLoaded()
 {
 }

diff --git a/Source/UnitTests/StubHost.cpp b/Source/UnitTests/StubHost.cpp
@@ -5,11 +5,15 @@
 // Stub implementation of the Host_* callbacks for tests. These implementations
 // do nothing except return default values when required.
 
-#include <memory>
 #include <string>
+#include <vector>
 
 #include "Core/Host.h"
 
+std::vector<std::string> Host_GetPreferredLocales()
+{
+  return {};
+}
 void Host_NotifyMapLoaded()
 {
 }