diff --git a/tcc.c b/tcc.c
index cadb5e91..501dc01b 100644
--- a/tcc.c
+++ b/tcc.c
@@ -18,7 +18,11 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#ifdef TCC_USE_LIBTCC
+#include "tcc.h"
+#else
 #include "libtcc.c"
+#endif
 
 void help(void)
 {