--- barcode/ps.c.dist	2018-03-29 10:16:55.385724848 -0700
+++ barcode/ps.c	2018-03-29 10:17:02.713610067 -0700
@@ -247,7 +247,7 @@
 	    fsav = f2;
 	}
 	fprintf(f,"]   { {} forall dup 0.00 ne {\n\t"
-		"/Helvetica findfont exch scalefont setfont\n"
+		"/CourierBold findfont exch scalefont setfont\n"
 		"    } {pop} ifelse\n"
 		"    moveto show} bind forall\n");