diff --git a/external/sourcesdk/bitbuf.h b/external/sourcesdk/include/sourcesdk/bitbuf.h
similarity index 100%
rename from external/sourcesdk/bitbuf.h
rename to external/sourcesdk/include/sourcesdk/bitbuf.h
diff --git a/external/sourcesdk/valve_support.h b/external/sourcesdk/include/sourcesdk/valve_support.h
similarity index 100%
rename from external/sourcesdk/valve_support.h
rename to external/sourcesdk/include/sourcesdk/valve_support.h
diff --git a/external/sourcesdk/vector.h b/external/sourcesdk/include/sourcesdk/vector.h
similarity index 100%
rename from external/sourcesdk/vector.h
rename to external/sourcesdk/include/sourcesdk/vector.h
diff --git a/premake/premake5.lua b/premake/premake5.lua
index 7803db8..aad0360 100644
--- a/premake/premake5.lua
+++ b/premake/premake5.lua
@@ -22,12 +22,12 @@ solution "demboyz"
         {
             "../demboyz/**.h",
             "../demboyz/**.cpp",
-            "../external/sourcesdk/*.h",
-            "../external/sourcesdk/*.cpp"
+            "../external/**.h",
+            "../external/**.cpp"
         }
         includedirs
         {
-            "../external",
+            "../external/sourcesdk/include",
             "../demboyz"
         }