diff --git a/src/modules/Image/encodings/pcx.c b/src/modules/Image/encodings/pcx.c
index 5b1511ebe9c1024a382ab52bec213c120e165435..c641ce751290d20973d691646ae18415ef1e74a6 100644
--- a/src/modules/Image/encodings/pcx.c
+++ b/src/modules/Image/encodings/pcx.c
@@ -1,5 +1,5 @@
 #include "global.h"
-RCSID("$Id: pcx.c,v 1.12 2000/09/08 20:10:26 grubba Exp $");
+RCSID("$Id: pcx.c,v 1.13 2000/09/08 20:10:54 grubba Exp $");
 
 #include "image_machine.h"
 
@@ -20,6 +20,7 @@ RCSID("$Id: pcx.c,v 1.12 2000/09/08 20:10:26 grubba Exp $");
 #include "builtin_functions.h"
 #include "operators.h"
 #include "dynamic_buffer.h"
+#include "bignum.h"
 
 #include "image.h"
 #include "colortable.h"