diff --git a/stepmania/src/StepMania-net2005.vcproj b/stepmania/src/StepMania-net2005.vcproj
index 69ed544aa2..e7a1ff97f5 100644
--- a/stepmania/src/StepMania-net2005.vcproj
+++ b/stepmania/src/StepMania-net2005.vcproj
@@ -50,7 +50,7 @@
 				Name="VCCLCompilerTool"
 				AdditionalOptions="/EHa"
 				Optimization="0"
-				AdditionalIncludeDirectories=".;vorbis;libjpeg;"lua-5.0\include";"ffmpeg\include";"BaseClasses""
+				AdditionalIncludeDirectories=".;vorbis;libjpeg;"lua-5.1\include";ffmpeg\include;BaseClasses"
 				PreprocessorDefinitions="WIN32,_DEBUG,_WINDOWS,WINDOWS,DEBUG"
 				ExceptionHandling="0"
 				BasicRuntimeChecks="3"
@@ -157,7 +157,7 @@
 				InlineFunctionExpansion="2"
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="2"
-				AdditionalIncludeDirectories=".;vorbis;libjpeg;"lua-5.0\include";"ffmpeg\include""
+				AdditionalIncludeDirectories=".;vorbis;libjpeg;"lua-5.1\include";ffmpeg\include;BaseClasses"
 				PreprocessorDefinitions="WIN32,NDEBUG,_WINDOWS,WINDOWS,RELEASE"
 				StringPooling="true"
 				MinimalRebuild="false"
@@ -262,7 +262,7 @@
 				Name="VCCLCompilerTool"
 				AdditionalOptions="/EHa"
 				Optimization="0"
-				AdditionalIncludeDirectories=".;vorbis;libjpeg;"lua-5.0\include";"ffmpeg\include""
+				AdditionalIncludeDirectories=".;vorbis;libjpeg;"lua-5.1\include";ffmpeg\include;BaseClasses"
 				PreprocessorDefinitions="WIN32,_DEBUG,_WINDOWS,WINDOWS,DEBUG"
 				ExceptionHandling="0"
 				BasicRuntimeChecks="3"
@@ -4317,6 +4317,218 @@
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 		</Filter>
+		<Filter
+			Name="Lua 5.1"
+			>
+			<File
+				RelativePath=".\lua-5.1\src\lapi.c"
+				>
+			</File>
+			<File
+				RelativePath=".\lua-5.1\src\lapi.h"
+				>
+			</File>
+			<File
+				RelativePath=".\lua-5.1\src\lauxlib.c"
+				>
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+				RelativePath=".\lua-5.1\src\lauxlib.h"
+				>
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+				RelativePath=".\lua-5.1\src\lbaselib.c"
+				>
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+				RelativePath=".\lua-5.1\src\lcode.c"
+				>
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+				RelativePath=".\lua-5.1\src\lcode.h"
+				>
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+				RelativePath=".\lua-5.1\src\ldblib.c"
+				>
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+				RelativePath=".\lua-5.1\src\ldebug.c"
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+				RelativePath=".\lua-5.1\src\ldebug.h"
+				>
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+				RelativePath=".\lua-5.1\src\ldo.c"
+				>
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+				>
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+				RelativePath=".\lua-5.1\src\ldump.c"
+				>
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+				RelativePath=".\lua-5.1\src\lfunc.c"
+				>
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+				>
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+				>
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+				>
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+				>
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 			>