diff --git a/src/sdl/Srb2SDL-vc10.vcxproj b/src/sdl/Srb2SDL-vc10.vcxproj
index 6335b3028..6a55ac2d6 100644
--- a/src/sdl/Srb2SDL-vc10.vcxproj
+++ b/src/sdl/Srb2SDL-vc10.vcxproj
@@ -338,6 +338,7 @@
     <ClCompile Include="..\blua\lfunc.c" />
     <ClCompile Include="..\blua\lgc.c" />
     <ClCompile Include="..\blua\linit.c" />
+    <ClCompile Include="..\blua\liolib.c" />
     <ClCompile Include="..\blua\llex.c" />
     <ClCompile Include="..\blua\lmem.c" />
     <ClCompile Include="..\blua\lobject.c" />
diff --git a/src/sdl/Srb2SDL-vc10.vcxproj.filters b/src/sdl/Srb2SDL-vc10.vcxproj.filters
index a226e8397..89ba1b588 100644
--- a/src/sdl/Srb2SDL-vc10.vcxproj.filters
+++ b/src/sdl/Srb2SDL-vc10.vcxproj.filters
@@ -534,6 +534,9 @@
     <ClCompile Include="..\blua\linit.c">
       <Filter>BLUA</Filter>
     </ClCompile>
+    <ClCompile Include="..\blua\liolib.c">
+      <Filter>BLUA</Filter>
+    </ClCompile>
     <ClCompile Include="..\blua\llex.c">
       <Filter>BLUA</Filter>
     </ClCompile>