--- a/src/in_ncsf/in_ncsf.vcxproj
+++ b/src/in_ncsf/in_ncsf.vcxproj
@@ -52,7 +52,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_WINDOWS;_USRDLL;IN_NCSF_EXPORTS;_CRT_SECURE_NO_WARNINGS;WINAMP_PLUGIN;_DEBUG;_ITERATOR_DEBUG_LEVEL=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\in_xsf_framework;..\in_xsf_framework\zlib;..\in_xsf_framework\winamp;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <DisableSpecificWarnings>4244;26451;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      <DisableSpecificWarnings>4244;6258;26451;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
     <Link>
@@ -68,7 +68,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;_WINDOWS;_USRDLL;IN_NCSF_EXPORTS;_CRT_SECURE_NO_WARNINGS;WINAMP_PLUGIN;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\in_xsf_framework;..\in_xsf_framework\zlib;..\in_xsf_framework\winamp;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <DisableSpecificWarnings>4244;26451;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      <DisableSpecificWarnings>4244;6258;26451;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
     <Link>

--- a/src/in_xsf_framework/in_xsf_framework.vcxproj
+++ b/src/in_xsf_framework/in_xsf_framework.vcxproj
@@ -47,7 +47,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_WARNINGS;WINAMP_PLUGIN;UNICODE_INPUT_PLUGIN;_DEBUG;_ITERATOR_DEBUG_LEVEL=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>.\zlib;.\winamp;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <DisableSpecificWarnings>4127;4244;4512;26451;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      <DisableSpecificWarnings>4127;4244;4512;6258;26451;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
     <Link>
@@ -63,7 +63,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_WARNINGS;WINAMP_PLUGIN;UNICODE_INPUT_PLUGIN;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>.\zlib;.\winamp;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <DisableSpecificWarnings>4127;4244;4512;26451;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      <DisableSpecificWarnings>4127;4244;4512;6258;26451;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
     <Link>