diff --git a/PCbuild8/_ctypes/_ctypes.vcproj b/PCbuild8/_ctypes/_ctypes.vcproj
index 28761df81d7..85ca24bbee3 100644
--- a/PCbuild8/_ctypes/_ctypes.vcproj
+++ b/PCbuild8/_ctypes/_ctypes.vcproj
@@ -48,7 +48,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -125,7 +125,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -201,7 +201,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
@@ -279,7 +279,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
@@ -356,7 +356,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
@@ -434,7 +434,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
@@ -511,7 +511,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
@@ -589,7 +589,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+				AdditionalIncludeDirectories=""
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;_CTYPES_EXPORTS"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
diff --git a/PCbuild8/_ctypes/_ctypes.vsprops b/PCbuild8/_ctypes/_ctypes.vsprops
index a15c875cfad..28155bd6166 100644
--- a/PCbuild8/_ctypes/_ctypes.vsprops
+++ b/PCbuild8/_ctypes/_ctypes.vsprops
@@ -4,6 +4,10 @@
 	Version="8.00"
 	Name="_ctypes"
 	>
+	<Tool
+		Name="VCCLCompilerTool"
+		AdditionalIncludeDirectories="..\..\Modules\_ctypes\libffi_msvc"
+	/>
 	<Tool
 		Name="VCLinkerTool"
 		AdditionalOptions="/EXPORT:DllGetClassObject,PRIVATE /EXPORT:DllCanUnloadNow,PRIVATE"