include readtex.h
diff --git a/progs/util/readtex.c b/progs/util/readtex.c
index 7799416..e741ba5 100644
--- a/progs/util/readtex.c
+++ b/progs/util/readtex.c
@@ -12,6 +12,7 @@
 #include <stdio.h>
 #include <stdlib.h> 
 #include <string.h>
+#include "readtex.h"
 
 
 #ifndef SEEK_SET