X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/halibut/blobdiff_plain/9e0fd4a7ae4ab89d8b38eeec4f02c2f9f4524a98..26c8c119efd44804c7b27f8637c69eda63f0c189:/error.c

diff --git a/error.c b/error.c
index 7897d7a..00d007d 100644
--- a/error.c
+++ b/error.c
@@ -393,7 +393,7 @@ static void do_error(int code, va_list ap) {
     if (flags & PREFIX)
 	fputs("halibut: ", stderr);
     if (flags & FILEPOS) {
-	fprintf(stderr, "%s:", fpos.filename);
+	fprintf(stderr, "%s:", fpos.filename ? fpos.filename : "<standard input>");
 	if (fpos.line > 0)
 	    fprintf(stderr, "%d:", fpos.line);
 	if (fpos.col > 0)