diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bb4f9a4a6f514ed1a098c2e5f38b4f8c08fd6917..9a8b3baca4d9d1529e35ed4515ee23b9a8797742 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -265,6 +265,7 @@ if(${SRB2_CONFIG_HAVE_BLUA})
 		blua/lfunc.c
 		blua/lgc.c
 		blua/linit.c
+		blua/liolib.c
 		blua/llex.c
 		blua/lmem.c
 		blua/lobject.c