diff --git a/tools/fimg2png.c b/tools/fimg2png.c
index e540ed50..f7322799 100644
--- a/tools/fimg2png.c
+++ b/tools/fimg2png.c
@@ -54,7 +54,7 @@ int		foo;
 
 if (3 != argc) {
 	fimg_print_version(1);
-	fprintf(stderr, "usage:\n\t%s foo.fimg bar.pnm\n", argv[0]);
+	fprintf(stderr, "usage:\n\t%s foo.fimg bar.png\n", argv[0]);
 	exit(1);
 	}