1 files changed, 1 insertions, 1 deletions
diff --git a/src/diag.c b/src/diag.c
index bdbb407..db96e75 100644
--- a/src/diag.c
+++ b/src/diag.c
@@ -39,3 +39,3 @@ default_print_diag(grecs_locus_t const *locus, int err, int errcode,
 	if (errcode)
-		fprintf(stderr, ": %s", strerror(errno));
+		fprintf(stderr, ": %s", strerror(errcode));
 	fputc('\n', stderr);