diff --git a/pcsx2/CDVD/CompressedFileReader.cpp b/pcsx2/CDVD/CompressedFileReader.cpp
index cae241cade..b72cdd286a 100644
--- a/pcsx2/CDVD/CompressedFileReader.cpp
+++ b/pcsx2/CDVD/CompressedFileReader.cpp
@@ -16,7 +16,7 @@
 #include "PrecompiledHeader.h"
 #include "AsyncFileReader.h"
 
-#include "zlib_indexed.c"
+#include "zlib_indexed.h"
 
 /////////// Some complementary utilities for zlib_indexed.c //////////
 
diff --git a/pcsx2/CDVD/zlib_indexed.c b/pcsx2/CDVD/zlib_indexed.h
similarity index 100%
rename from pcsx2/CDVD/zlib_indexed.c
rename to pcsx2/CDVD/zlib_indexed.h
diff --git a/pcsx2/CMakeLists.txt b/pcsx2/CMakeLists.txt
index ef3ae775a6..4c07b87c4c 100644
--- a/pcsx2/CMakeLists.txt
+++ b/pcsx2/CMakeLists.txt
@@ -231,14 +231,14 @@ set(pcsx2Headers
 
 # CDVD sources
 set(pcsx2CDVDSources
-    CDVD/BlockdumpFileReader.cpp
+	CDVD/BlockdumpFileReader.cpp
 	CDVD/CdRom.cpp
 	CDVD/CDVDaccess.cpp
 	CDVD/CDVD.cpp
 	CDVD/CDVDisoReader.cpp
-    CDVD/InputIsoFile.cpp
-    CDVD/OutputIsoFile.cpp
-    CDVD/CompressedFileReader.cpp
+	CDVD/InputIsoFile.cpp
+	CDVD/OutputIsoFile.cpp
+	CDVD/CompressedFileReader.cpp
 	CDVD/IsoFS/IsoFile.cpp
 	CDVD/IsoFS/IsoFSCDVD.cpp
 	CDVD/IsoFS/IsoFS.cpp
@@ -251,6 +251,7 @@ set(pcsx2CDVDHeaders
 	CDVD/CDVD.h
 	CDVD/CDVD_internal.h
 	CDVD/CDVDisoReader.h
+	CDVD/zlib_indexed.h
 	CDVD/IsoFileFormats.h
 	CDVD/IsoFS/IsoDirectory.h
 	CDVD/IsoFS/IsoFileDescriptor.h
diff --git a/pcsx2/windows/VCprojects/pcsx2_vs2013.vcxproj b/pcsx2/windows/VCprojects/pcsx2_vs2013.vcxproj
index 07fbee6005..b9e5e34652 100644
--- a/pcsx2/windows/VCprojects/pcsx2_vs2013.vcxproj
+++ b/pcsx2/windows/VCprojects/pcsx2_vs2013.vcxproj
@@ -408,7 +408,6 @@
     <ClCompile Include="..\..\CDVD\BlockdumpFileReader.cpp" />
     <ClCompile Include="..\..\CDVD\CompressedFileReader.cpp" />
     <ClCompile Include="..\..\CDVD\OutputIsoFile.cpp" />
-    <ClInclude Include="..\..\CDVD\zlib_indexed.c" />
     <ClCompile Include="..\..\DebugTools\Breakpoints.cpp" />
     <ClCompile Include="..\..\DebugTools\DebugInterface.cpp" />
     <ClCompile Include="..\..\DebugTools\DisassemblyManager.cpp" />
@@ -696,6 +695,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\AsyncFileReader.h" />
+    <ClInclude Include="..\..\CDVD\zlib_indexed.h" />
     <ClInclude Include="..\..\DebugTools\Breakpoints.h" />
     <ClInclude Include="..\..\DebugTools\DebugInterface.h" />
     <ClInclude Include="..\..\DebugTools\DisassemblyManager.h" />
diff --git a/pcsx2/windows/VCprojects/pcsx2_vs2013.vcxproj.filters b/pcsx2/windows/VCprojects/pcsx2_vs2013.vcxproj.filters
index 50f26855b8..bb0ca63bdd 100644
--- a/pcsx2/windows/VCprojects/pcsx2_vs2013.vcxproj.filters
+++ b/pcsx2/windows/VCprojects/pcsx2_vs2013.vcxproj.filters
@@ -856,9 +856,6 @@
     <ClCompile Include="..\..\CDVD\CompressedFileReader.cpp">
       <Filter>System\ISO</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\CDVD\zlib_indexed.c">
-      <Filter>System\ISO</Filter>
-    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\Patch.h">
@@ -1270,6 +1267,9 @@
     <ClInclude Include="..\..\gui\Debugger\DebuggerLists.h">
       <Filter>AppHost\Debugger</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\CDVD\zlib_indexed.h">
+      <Filter>System\ISO</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="..\..\..\3rdparty\wxWidgets\include\wx\msw\wx.rc">