diff --git a/src/config.mk.in b/src/config.mk.in
index 2586558..3676d7e 100644
--- a/src/config.mk.in
+++ b/src/config.mk.in
@@ -36,6 +36,12 @@
 X_EXTRA_LIBS	= @X_EXTRA_LIBS@
 X_LIBS		= @X_LIB@
 
+LUA_LIBS	= @LUA_LIBS@
+LUA_SRC		= @LUA_SRC@
+LUA_OBJ		= @LUA_OBJ@
+LUA_CFLAGS	= @LUA_CFLAGS@
+LUA_PRO		= @LUA_PRO@
+
 MZSCHEME_LIBS	= @MZSCHEME_LIBS@
 MZSCHEME_SRC	= @MZSCHEME_SRC@
 MZSCHEME_OBJ	= @MZSCHEME_OBJ@