diff --git a/extern/libpng/include/png.h b/extern/libpng/include/png.h
index 430eb90f4c..70acb20a2e 100644
--- a/extern/libpng/include/png.h
+++ b/extern/libpng/include/png.h
@@ -388,7 +388,7 @@
 
 #ifndef PNG_VERSION_INFO_ONLY
 /* Include the compression library's header */
-#include "zlib/zlib.h"
+#include "../extern/zlib/zlib.h"
 #endif
 
 /* Include all user configurable info, including optional assembler routines */
diff --git a/src/RageFileDriverDeflate.cpp b/src/RageFileDriverDeflate.cpp
index dbb839c1ab..6906a6eb5b 100644
--- a/src/RageFileDriverDeflate.cpp
+++ b/src/RageFileDriverDeflate.cpp
@@ -7,9 +7,9 @@
 #include <memory>
 
 #if defined(_WINDOWS)
-        #include "zlib/zlib.h"
+        #include "../extern/zlib/zlib.h"
 #if defined(_MSC_VER)
-        #pragma comment(lib, "zlib/zdll.lib")
+        #pragma comment(lib, "../extern/zlib/zdll.lib")
 #endif
 #elif defined(MACOSX)
     /* Since crypto++ was added to the repository, <zlib.h> includes the zlib.h
diff --git a/src/StepMania-net2008.vcproj b/src/StepMania-net2008.vcproj
index 51e38ab1de..0ee60a23f8 100644
--- a/src/StepMania-net2008.vcproj
+++ b/src/StepMania-net2008.vcproj
@@ -50,7 +50,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories=".;vorbis;libjpeg;&quot;..\extern\lua-5.1\src&quot;;ffmpeg\modern_working\include;BaseClasses;&quot;..\extern\jsoncpp\include&quot;;&quot;..\extern\glew-1.5.8\include&quot;;..\extern\pcre;&quot;..\extern\mad-0.15.1b&quot;;..\extern\libpng;..\extern\libjpeg"
+				AdditionalIncludeDirectories=".;vorbis;libjpeg;&quot;..\extern\lua-5.1\src&quot;;ffmpeg\modern_working\include;BaseClasses;&quot;..\extern\jsoncpp\include&quot;;&quot;..\extern\glew-1.5.8\include&quot;;..\extern\pcre;&quot;..\extern\mad-0.15.1b&quot;;..\extern\libpng;..\extern\libjpeg;..\extern\zlib;..\extern\vorbis"
 				PreprocessorDefinitions="WIN32,_DEBUG,_WINDOWS,WINDOWS,DEBUG,GLEW_STATIC"
 				ExceptionHandling="0"
 				BasicRuntimeChecks="3"
@@ -158,7 +158,7 @@
 				InlineFunctionExpansion="2"
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="2"
-				AdditionalIncludeDirectories=".;vorbis;libjpeg;&quot;..\extern\lua-5.1\src&quot;;ffmpeg\modern_working\include;BaseClasses;&quot;..\extern\jsoncpp\include&quot;;&quot;..\extern\glew-1.5.8\include&quot;;..\extern\pcre;&quot;..\extern\mad-0.15.1b&quot;;..\extern\libpng;..\extern\libjpeg"
+				AdditionalIncludeDirectories=".;vorbis;libjpeg;&quot;..\extern\lua-5.1\src&quot;;ffmpeg\modern_working\include;BaseClasses;&quot;..\extern\jsoncpp\include&quot;;&quot;..\extern\glew-1.5.8\include&quot;;..\extern\pcre;&quot;..\extern\mad-0.15.1b&quot;;..\extern\libpng;..\extern\libjpeg;..\extern\zlib;..\extern\vorbis"
 				PreprocessorDefinitions="WIN32,NDEBUG,_WINDOWS,WINDOWS,RELEASE,GLEW_STATIC"
 				StringPooling="true"
 				MinimalRebuild="false"
@@ -263,7 +263,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories=".;vorbis;libjpeg;&quot;..\extern\lua-5.1\src&quot;;ffmpeg\modern_working\include;BaseClasses;&quot;..\extern\jsoncpp\include&quot;;&quot;..\extern\glew-1.5.8\include&quot;;..\extern\pcre;&quot;..\extern\mad-0.15.1b&quot;;..\extern\libpng;..\extern\libjpeg"
+				AdditionalIncludeDirectories=".;vorbis;libjpeg;&quot;..\extern\lua-5.1\src&quot;;ffmpeg\modern_working\include;BaseClasses;&quot;..\extern\jsoncpp\include&quot;;&quot;..\extern\glew-1.5.8\include&quot;;..\extern\pcre;&quot;..\extern\mad-0.15.1b&quot;;..\extern\libpng;..\extern\libjpeg;..\extern\zlib;..\extern\vorbis"
 				PreprocessorDefinitions="WIN32,_DEBUG,_WINDOWS,WINDOWS,DEBUG,GLEW_STATIC"
 				ExceptionHandling="0"
 				BasicRuntimeChecks="0"
@@ -371,7 +371,7 @@
 				InlineFunctionExpansion="2"
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="1"
-				AdditionalIncludeDirectories=".;vorbis;libjpeg;&quot;..\extern\lua-5.1\src&quot;;ffmpeg\modern_working\include;BaseClasses;&quot;..\extern\jsoncpp\include&quot;;&quot;..\extern\glew-1.5.8\include&quot;;..\extern\pcre;&quot;..\extern\mad-0.15.1b&quot;;..\extern\libpng;..\extern\libjpeg"
+				AdditionalIncludeDirectories=".;vorbis;libjpeg;&quot;..\extern\lua-5.1\src&quot;;ffmpeg\modern_working\include;BaseClasses;&quot;..\extern\jsoncpp\include&quot;;&quot;..\extern\glew-1.5.8\include&quot;;..\extern\pcre;&quot;..\extern\mad-0.15.1b&quot;;..\extern\libpng;..\extern\libjpeg;..\extern\zlib;..\extern\vorbis"
 				PreprocessorDefinitions="WIN32,NDEBUG,_WINDOWS,WINDOWS,RELEASE,GLEW_STATIC"
 				StringPooling="true"
 				MinimalRebuild="false"