diff --git a/maszyna.vcxproj b/maszyna.vcxproj
index 50c6e3cd..2178f72c 100644
--- a/maszyna.vcxproj
+++ b/maszyna.vcxproj
@@ -57,6 +57,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <MinimalRebuild>false</MinimalRebuild>
       <FloatingPointExceptions>false</FloatingPointExceptions>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX86</TargetMachine>
@@ -68,7 +69,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <AdditionalIncludeDirectories>$(SolutionDir);$(SolutionDir)console;$(SolutionDir)mczapkie;$(SolutionDir)opengl;$(SolutionDir)python/include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>