diff --git a/aegisub/build/Aegisub/Aegisub.targets b/aegisub/build/Aegisub/Aegisub.targets
index 277b9505b..07f0e5de3 100644
--- a/aegisub/build/Aegisub/Aegisub.targets
+++ b/aegisub/build/Aegisub/Aegisub.targets
@@ -97,6 +97,13 @@
     </ClCompile>
   </ItemDefinitionGroup>
 
+  <!-- OpenAL support -->
+  <ItemDefinitionGroup Condition="'$(AegisubUseOpenAl)'=='true'">
+    <ClCompile>
+      <PreprocessorDefinitions>WITH_OPENAL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+  </ItemDefinitionGroup>
+
   <!-- DirectSound support -->
   <PropertyGroup>
     <DirectXSDKDir Condition="'$(DirectXSDKDir)'==''">$(DXSDK_DIR)</DirectXSDKDir>
diff --git a/aegisub/build/Aegisub/Aegisub.xml b/aegisub/build/Aegisub/Aegisub.xml
index 650200802..1757b8bd9 100644
--- a/aegisub/build/Aegisub/Aegisub.xml
+++ b/aegisub/build/Aegisub/Aegisub.xml
@@ -125,6 +125,13 @@
     Description="A high-speed fourier transformation library which improves the spectograph speed and quality. Requires a copy of the FFTW 3.2 source."
     />
 
+  <BoolProperty
+    Name="AegisubUseOpenAl"
+    Category="Features"
+    DisplayName="OpenAL"
+    Description="OpenAL audio player. Requires a copy of the OpenAL SDK."
+    />
+
   <!-- Library Paths -->
   <StringProperty
     Subtype="folder"
diff --git a/aegisub/build/DefaultConfiguration.props b/aegisub/build/DefaultConfiguration.props
index a00775b21..18c1ad770 100644
--- a/aegisub/build/DefaultConfiguration.props
+++ b/aegisub/build/DefaultConfiguration.props
@@ -42,6 +42,7 @@
     <AegisubUseDSound>true</AegisubUseDSound>
     <AegisubUseFfms>true</AegisubUseFfms>
     <AegisubUseFftw>true</AegisubUseFftw>
+    <AegisubUseOpenAl>false</AegisubUseOpenAl>
     <AegisubUseUpdateChecker>true</AegisubUseUpdateChecker>
     <CsriLibraryName>vsfilter.lib</CsriLibraryName>
     <DirectXSDKPath>$(DXSDK_DIR)</DirectXSDKPath>