diff --git a/src/out_ascii.c b/src/out_ascii.c
index c9d2e91..19762ba 100644
--- a/src/out_ascii.c
+++ b/src/out_ascii.c
@@ -212,6 +212,7 @@ static void ascii_draw_group(struct element_group *g, void *arg)
 static void ascii_draw(void)
 {
 	group_foreach(ascii_draw_group, NULL);
+	fflush(stdout);
 
 	if (c_quit_after > 0)
 		if (--c_quit_after == 0)
diff --git a/src/out_format.c b/src/out_format.c
index 4d017f3..263f8c9 100644
--- a/src/out_format.c
+++ b/src/out_format.c
@@ -166,6 +166,7 @@ static void draw_element(struct element_group *g, struct element *e, void *arg)
 static void format_draw(void)
 {
 	group_foreach_recursive(draw_element, NULL);
+	fflush(stdout);
 
 	if (c_quit_after > 0)
 		if (--c_quit_after == 0)