diff --git a/programs/use_tcc.lua b/programs/use_tcc.lua
index 9d9a85328e..3634b7139e 100644
--- a/programs/use_tcc.lua
+++ b/programs/use_tcc.lua
@@ -1,6 +1,6 @@
 TCC = "kos32-tcc -B" .. tup.getcwd().. "/develop/ktcc/trunk/bin"
 
-CFLAGS = "-I" ..tup.getcwd().. "/develop/ktcc/trunk/libc.obj/include"
+CFLAGS = "-I" .. tup.getcwd().. "/develop/ktcc/trunk/libc.obj/include "
 LFLAGS = ""
 LIBS = ""