diff --git a/win32/Scintilla.vcxproj b/win32/Scintilla.vcxproj
index 82aa9b7..6b6f340 100644
--- a/win32/Scintilla.vcxproj
+++ b/win32/Scintilla.vcxproj
@@ -102,6 +102,7 @@
     <ClCompile>
       <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <LanguageStandard>stdcpp17</LanguageStandard>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
     <Link>
       <LinkTimeCodeGeneration>Default</LinkTimeCodeGeneration>
@@ -112,6 +113,7 @@
     <ClCompile>
       <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <LanguageStandard>stdcpp17</LanguageStandard>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
     <Link>
       <LinkTimeCodeGeneration>Default</LinkTimeCodeGeneration>
@@ -122,6 +124,7 @@
     <ClCompile>
       <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <LanguageStandard>stdcpp17</LanguageStandard>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
     <Link>
       <LinkTimeCodeGeneration>Default</LinkTimeCodeGeneration>
@@ -133,6 +136,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <LanguageStandard>stdcpp17</LanguageStandard>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -146,6 +150,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <LanguageStandard>stdcpp17</LanguageStandard>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -159,6 +164,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <LanguageStandard>stdcpp17</LanguageStandard>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>