diff --git a/.gitignore b/.gitignore
index 30307d10b..6c5a6b68d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -107,6 +107,8 @@ logs/
 [Rr]elease/
 x64/
 build/
+# Not build results, this is Theora source code.
+!thirdparty/libtheora/x86/
 bld/
 [Bb]in/
 [Oo]bj/