diff --git a/VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj b/VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj
index c22187919..b04b048fc 100644
--- a/VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj
+++ b/VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj
@@ -295,6 +295,7 @@
     <ClCompile Include="..\..\src\SDL_log.c" />
     <ClCompile Include="..\..\src\sensor\dummy\SDL_dummysensor.c" />
     <ClCompile Include="..\..\src\sensor\SDL_sensor.c" />
+    <ClCompile Include="..\..\src\stdlib\SDL_crc32.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_getenv.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_iconv.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_malloc.c" />
@@ -589,4 +590,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj.filters b/VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj.filters
index e4ec4e4a6..f3d970240 100644
--- a/VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj.filters
+++ b/VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj.filters
@@ -629,6 +629,9 @@
     <ClCompile Include="..\..\src\locale\winrt\SDL_syslocale.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\stdlib\SDL_crc32.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\src\stdlib\SDL_getenv.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -801,4 +804,4 @@
       <Filter>Source Files</Filter>
     </ClCompile>
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj b/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj
index b9f83dfa4..563dcbe25 100644
--- a/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj
+++ b/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj
@@ -259,6 +259,7 @@
     </ClCompile>
     <ClCompile Include="..\..\src\sensor\dummy\SDL_dummysensor.c" />
     <ClCompile Include="..\..\src\sensor\SDL_sensor.c" />
+    <ClCompile Include="..\..\src\stdlib\SDL_crc32.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_getenv.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_iconv.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_malloc.c" />
@@ -478,4 +479,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj.filters b/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj.filters
index 8d6a82453..a7fe1a6db 100644
--- a/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj.filters
+++ b/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj.filters
@@ -590,6 +590,9 @@
     <ClCompile Include="..\..\src\locale\winrt\SDL_syslocale.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\stdlib\SDL_crc32.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\src\stdlib\SDL_getenv.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -753,4 +756,4 @@
       <Filter>Source Files</Filter>
     </ClCompile>
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
index a11a3e985..a17157ca9 100644
--- a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
+++ b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
@@ -293,6 +293,7 @@
     </ClCompile>
     <ClCompile Include="..\..\src\sensor\dummy\SDL_dummysensor.c" />
     <ClCompile Include="..\..\src\sensor\SDL_sensor.c" />
+    <ClCompile Include="..\..\src\stdlib\SDL_crc32.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_getenv.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_iconv.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_malloc.c" />
@@ -591,4 +592,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj.filters b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj.filters
index d76e74242..b4dfc7526 100644
--- a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj.filters
+++ b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj.filters
@@ -608,6 +608,9 @@
     <ClCompile Include="..\..\src\SDL_log.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\stdlib\SDL_crc32.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\src\stdlib\SDL_getenv.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -789,4 +792,4 @@
       <Filter>Source Files</Filter>
     </ClCompile>
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>