--- ray/src/px/pflip.c	2019/07/19 17:37:56	2.12
+++ ray/src/px/pflip.c	2025/06/06 19:11:21	2.13
@@ -1,11 +1,12 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: pflip.c,v 2.12 2019/07/19 17:37:56 greg Exp $";
+static const char	RCSid[] = "$Id: pflip.c,v 2.13 2025/06/06 19:11:21 greg Exp $";
 #endif
 /*
  * flip picture file horizontally and/or vertically
  */
 
 #include "rtio.h"
+#include "paths.h"
 #include "platform.h"
 #include "color.h"
 #include "resolu.h"
@@ -21,9 +22,7 @@ int	correctorder = 0;		/* correcting orientation? */
 
 FILE	*fin;				/* input file */
 
-char	*progname;
 
-
 static void memerr(void);
 static void scanfile(void);
 static void flip(void);
@@ -54,9 +53,10 @@ main(
 {
 	static char	picfmt[MAXFMTLEN] = PICFMT;
 	int	i, rval;
+	
 	SET_DEFAULT_BINARY();
 	SET_FILE_BINARY(stdout);
-	progname = argv[0];
+	fixargv0(argv[0]);
 
 	for (i = 1; i < argc; i++)
 		if (!strcmp(argv[i], "-h"))