diff --git a/liblzma.vcxproj b/liblzma.vcxproj
index 8b26aa7..28b9a78 100755
--- a/liblzma.vcxproj
+++ b/liblzma.vcxproj
@@ -172,6 +172,7 @@
       <ConformanceMode>true</ConformanceMode>
       <AdditionalIncludeDirectories>$(ProjectDir)include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <CompileAs>CompileAsC</CompileAs>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -186,6 +187,7 @@
       <ConformanceMode>true</ConformanceMode>
       <AdditionalIncludeDirectories>$(ProjectDir)include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <CompileAs>CompileAsC</CompileAs>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -202,6 +204,7 @@
       <ConformanceMode>true</ConformanceMode>
       <AdditionalIncludeDirectories>$(ProjectDir)include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <CompileAs>CompileAsC</CompileAs>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -220,6 +223,7 @@
       <ConformanceMode>true</ConformanceMode>
       <AdditionalIncludeDirectories>$(ProjectDir)include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <CompileAs>CompileAsC</CompileAs>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -236,6 +240,7 @@
       <ConformanceMode>true</ConformanceMode>
       <AdditionalIncludeDirectories>$(ProjectDir)include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <CompileAs>CompileAsC</CompileAs>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -252,6 +257,7 @@
       <ConformanceMode>true</ConformanceMode>
       <AdditionalIncludeDirectories>$(ProjectDir)include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <CompileAs>CompileAsC</CompileAs>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -263,11 +269,13 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='DebugMTd|x64'">
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseMT|x64'">
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup>