1 files changed, 1 insertions, 0 deletions
diff --git a/src/diag.c b/src/diag.c
index fcb8fd2..89b38f4 100644
--- a/src/diag.c
+++ b/src/diag.c
@@ -26,6 +26,7 @@
 static void
 default_print_diag(grecs_locus_t *locus, int err, int errcode, const char *msg)
 {
+	fflush(stdout);
 	if (locus)
 		fprintf(stderr, "%s:%d: ", locus->file, locus->line);
 	if (!err)