diff --git a/Source/UnitTests/CMakeLists.txt b/Source/UnitTests/CMakeLists.txt
index 18bae340a7..649c802830 100644
--- a/Source/UnitTests/CMakeLists.txt
+++ b/Source/UnitTests/CMakeLists.txt
@@ -16,7 +16,7 @@ macro(add_dolphin_test target)
     $<TARGET_OBJECTS:unittests_stubhost>
   )
   set_target_properties(${target} PROPERTIES FOLDER Tests)
-  target_link_libraries(${target} core gtest_main)
+  target_link_libraries(${target} core uicommon gtest_main)
   add_dependencies(unittests ${target})
   add_test(NAME ${target} COMMAND ${target})
 endmacro()
diff --git a/Source/UnitTests/Core/CoreTimingTest.cpp b/Source/UnitTests/Core/CoreTimingTest.cpp
index f4cac5a6b6..6f35bfff3c 100644
--- a/Source/UnitTests/Core/CoreTimingTest.cpp
+++ b/Source/UnitTests/Core/CoreTimingTest.cpp
@@ -12,6 +12,7 @@
 #include "Core/Core.h"
 #include "Core/CoreTiming.h"
 #include "Core/PowerPC/PowerPC.h"
+#include "UICommon/UICommon.h"
 
 // Numbers are chosen randomly to make sure the correct one is given.
 static constexpr std::array<u64, 5> CB_IDS{{42, 144, 93, 1026, UINT64_C(0xFFFF7FFFF7FFFF)}};
@@ -37,6 +38,7 @@ public:
   ScopeInit()
   {
     Core::DeclareAsCPUThread();
+    UICommon::SetUserDirectory("");
     Config::Init();
     SConfig::Init();
     PowerPC::Init(PowerPC::CORE_INTERPRETER);
diff --git a/Source/UnitTests/Core/MMIOTest.cpp b/Source/UnitTests/Core/MMIOTest.cpp
index f6b8cfad1e..f1a414045a 100644
--- a/Source/UnitTests/Core/MMIOTest.cpp
+++ b/Source/UnitTests/Core/MMIOTest.cpp
@@ -8,6 +8,7 @@
 #include "Common/CommonTypes.h"
 #include "Core/Config/Config.h"
 #include "Core/HW/MMIO.h"
+#include "UICommon/UICommon.h"
 
 // Tests that the UniqueID function returns a "unique enough" identifier
 // number: that is, it is unique in the address ranges we care about.
@@ -30,6 +31,7 @@ TEST(UniqueID, UniqueEnough)
 
 TEST(IsMMIOAddress, SpecialAddresses)
 {
+  UICommon::SetUserDirectory("");
   Config::Init();
   SConfig::Init();
   SConfig::GetInstance().bWii = true;
diff --git a/Source/UnitTests/UnitTests.vcxproj b/Source/UnitTests/UnitTests.vcxproj
index ac927cea75..6f527c3bda 100644
--- a/Source/UnitTests/UnitTests.vcxproj
+++ b/Source/UnitTests/UnitTests.vcxproj
@@ -81,6 +81,9 @@
     <ProjectReference Include="$(CoreDir)VideoBackends\Vulkan\Vulkan.vcxproj">
       <Project>{29F29A19-F141-45AD-9679-5A2923B49DA3}</Project>
     </ProjectReference>
+    <ProjectReference Include="$(CoreDir)UICommon\UICommon.vcxproj">
+      <Project>{604c8368-f34a-4d55-82c8-cc92a0c13254}</Project>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">