alf: Fix error message when we can't open the output file.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/alf.c b/src/alf.c
index bc38dd0..4fca2f3 100644
--- a/src/alf.c
+++ b/src/alf.c
@@ -343,7 +343,8 @@ int main(int argc, char **argv) {
 
 	out_file = fopen(out_filename, opt_append ? "ab" : "wb");
 	if(!out_file) {
-		perror(*argv);
+		fprintf(stderr, "%s: fatal: ", self);
+		perror(out_filename);
 		exit(1);
 	}