diff --git a/stepmania/configure.ac b/stepmania/configure.ac
index 2d78d9f40f..5a8cb765a5 100644
--- a/stepmania/configure.ac
+++ b/stepmania/configure.ac
@@ -83,6 +83,7 @@ if test "x$have_SDL_image" = "xno"; then
   exit 0;
 fi
 
+SM_LUA
 SM_ZLIB
 SM_AUDIO