diff --git a/Fonderie/metriques.c b/Fonderie/metriques.c
index 9993079b..83060a06 100644
--- a/Fonderie/metriques.c
+++ b/Fonderie/metriques.c
@@ -51,7 +51,7 @@ float		means[4];	/* four values : R G B A */
 int		foo;
 
 #if DEBUG_LEVEL
-fprintf(stderr, ">>> %s ( %p %f %d )\n", __func__, pimg, where, whot);
+fprintf(stderr, ">>> %s ( %p %p )\n", __func__, pimg, where);
 #endif
 
 foo = fimg_meanvalues(pimg, means);
diff --git a/Fonderie/singlepass.c b/Fonderie/singlepass.c
index 26c97e89..2796127c 100644
--- a/Fonderie/singlepass.c
+++ b/Fonderie/singlepass.c
@@ -71,7 +71,7 @@ if (0 == globbuf.gl_pathc) {
 for (idx=0; idx<globbuf.gl_pathc; idx++) {
 
 	fname = globbuf.gl_pathv[idx];		/* alias of filename */
-	fprintf(stderr, "  %6d  %s\r", globbuf.gl_pathc-idx, fname);
+	fprintf(stderr, "  %6ld  %s\r", (long)globbuf.gl_pathc-idx, fname);
 
 	if (0==image.width && 0==image.height) {
 		foo = fimg_create_from_dump(fname, &image);
@@ -104,9 +104,9 @@ fimg_destroy(&image);
 single_print_state("end of run :)", 0);
 
 elapsed = fimg_timer_get(0);
-fprintf(stderr, "%s: %d frames, elapsed %.3f s, %.3f fps\n",
+fprintf(stderr, "%s: %ld frames, elapsed %.3f s, %.3f fps\n",
 				__func__,
-				globbuf.gl_pathc, elapsed,
+				(long)globbuf.gl_pathc, elapsed,
 				(double)globbuf.gl_pathc/elapsed);
 
 return 0;
@@ -156,6 +156,9 @@ while ((opt = getopt(argc, argv, "hF:g:LO:svx")) != -1) {
 
 		case 'x':	do_xper = 1;		break;
 
+		default:
+			fprintf(stderr, "%s ABEND\n", argv[0]);
+			exit(1);
 		}
 
 	}