--- ncmatrix.c.orig	2005-05-21 09:39:28.000000000 -0400
+++ ncmatrix.c	2017-02-25 15:48:59.130175208 -0500
@@ -285,8 +285,10 @@
 
    /* Make the matrix */
    for (i = 0; i <= LINES; i++)
-      for (j = 0; j <= COLS - 1; j += 2)
+      for (j = 0; j <= COLS - 1; j += 2) {
          matrix[i][j].val = -1;
+         matrix[i][j].color = 0;
+      }
 
    for (j = 0; j <= COLS - 1; j += 2)
    {