diff --git a/r5dev/vproj/clientsdk.vcxproj b/r5dev/vproj/clientsdk.vcxproj
index 53a15d3d..8c27bb2e 100644
--- a/r5dev/vproj/clientsdk.vcxproj
+++ b/r5dev/vproj/clientsdk.vcxproj
@@ -629,7 +629,7 @@
       <DisableSpecificWarnings>
       </DisableSpecificWarnings>
       <LanguageStandard>stdcpp17</LanguageStandard>
-      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <LanguageStandard_C>Default</LanguageStandard_C>
       <AdditionalOptions>/D GAMESDK /D SPDLOG_COMPILED_LIB /D CLIENT_DLL /D _CRT_SECURE_NO_WARNINGS /D CURL_STATICLIB %(AdditionalOptions)</AdditionalOptions>
       <AdditionalIncludeDirectories>$(ProjectDir)..\;$(ProjectDir)..\thirdparty\</AdditionalIncludeDirectories>
       <FloatingPointModel>Fast</FloatingPointModel>
@@ -667,7 +667,7 @@
       <OmitFramePointers>false</OmitFramePointers>
       <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
-      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <LanguageStandard_C>Default</LanguageStandard_C>
       <LanguageStandard>stdcpp17</LanguageStandard>
       <StringPooling>true</StringPooling>
       <CreateHotpatchableImage>
@@ -713,7 +713,7 @@
       <OmitFramePointers>false</OmitFramePointers>
       <EnableFiberSafeOptimizations>false</EnableFiberSafeOptimizations>
       <InlineFunctionExpansion>Default</InlineFunctionExpansion>
-      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <LanguageStandard_C>Default</LanguageStandard_C>
       <LanguageStandard>stdcpp17</LanguageStandard>
       <StringPooling>true</StringPooling>
       <CreateHotpatchableImage>
diff --git a/r5dev/vproj/dedicated.vcxproj b/r5dev/vproj/dedicated.vcxproj
index 1e541c61..4e36dea6 100644
--- a/r5dev/vproj/dedicated.vcxproj
+++ b/r5dev/vproj/dedicated.vcxproj
@@ -91,7 +91,7 @@
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>core\stdafx.h</PrecompiledHeaderFile>
       <LanguageStandard>stdcpp17</LanguageStandard>
-      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <LanguageStandard_C>Default</LanguageStandard_C>
       <AdditionalIncludeDirectories>$(ProjectDir)..\;$(ProjectDir)..\thirdparty\;$(ProjectDir)..\thirdparty\recast\</AdditionalIncludeDirectories>
       <FloatingPointModel>Fast</FloatingPointModel>
     </ClCompile>
@@ -125,7 +125,7 @@
       <LanguageStandard>stdcpp17</LanguageStandard>
       <StringPooling>true</StringPooling>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
-      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <LanguageStandard_C>Default</LanguageStandard_C>
       <OmitFramePointers>false</OmitFramePointers>
       <AdditionalIncludeDirectories>$(ProjectDir)..\;$(ProjectDir)..\thirdparty\;$(ProjectDir)..\thirdparty\recast\</AdditionalIncludeDirectories>
       <FloatingPointModel>Fast</FloatingPointModel>
@@ -163,7 +163,7 @@
       <LanguageStandard>stdcpp17</LanguageStandard>
       <StringPooling>true</StringPooling>
       <FavorSizeOrSpeed>Neither</FavorSizeOrSpeed>
-      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <LanguageStandard_C>Default</LanguageStandard_C>
       <OmitFramePointers>false</OmitFramePointers>
       <AdditionalIncludeDirectories>$(ProjectDir)..\;$(ProjectDir)..\thirdparty\;$(ProjectDir)..\thirdparty\recast\</AdditionalIncludeDirectories>
       <Optimization>Full</Optimization>
diff --git a/r5dev/vproj/gamesdk.vcxproj b/r5dev/vproj/gamesdk.vcxproj
index 23059053..14559e97 100644
--- a/r5dev/vproj/gamesdk.vcxproj
+++ b/r5dev/vproj/gamesdk.vcxproj
@@ -683,7 +683,7 @@
       <DisableSpecificWarnings>
       </DisableSpecificWarnings>
       <LanguageStandard>stdcpp17</LanguageStandard>
-      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <LanguageStandard_C>Default</LanguageStandard_C>
       <AdditionalOptions>/D GAMESDK /D SPDLOG_COMPILED_LIB /D _CRT_SECURE_NO_WARNINGS /D CURL_STATICLIB %(AdditionalOptions)</AdditionalOptions>
       <AdditionalIncludeDirectories>$(ProjectDir)..\;$(ProjectDir)..\thirdparty\;$(ProjectDir)..\thirdparty\recast\</AdditionalIncludeDirectories>
       <FloatingPointModel>Fast</FloatingPointModel>
@@ -721,7 +721,7 @@
       <OmitFramePointers>false</OmitFramePointers>
       <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
-      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <LanguageStandard_C>Default</LanguageStandard_C>
       <LanguageStandard>stdcpp17</LanguageStandard>
       <StringPooling>true</StringPooling>
       <CreateHotpatchableImage>
@@ -767,7 +767,7 @@
       <OmitFramePointers>false</OmitFramePointers>
       <EnableFiberSafeOptimizations>false</EnableFiberSafeOptimizations>
       <InlineFunctionExpansion>Default</InlineFunctionExpansion>
-      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <LanguageStandard_C>Default</LanguageStandard_C>
       <LanguageStandard>stdcpp17</LanguageStandard>
       <StringPooling>true</StringPooling>
       <CreateHotpatchableImage>