diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bb4f9a4a..9a8b3bac 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