diff --git a/Lib/cadres.c b/Lib/cadres.c
index cf02a14..ea3837f 100644
--- a/Lib/cadres.c
+++ b/Lib/cadres.c
@@ -436,7 +436,7 @@ int			x, y;
 
 #if DEBUG_LEVEL
 fprintf(stderr, ">>> %s ( %p   %d %d %d   %d %d )\n", __func__,
-			im,	r, g, b,   nh, nv);
+			im,	r, g, b,   nx, ny);
 #endif
 
 for (y=0; y<im->height; y++) {