diff --git a/recordings/expected-1.png b/recordings/expected-1.png
index f0dd990..b728671 100644
Binary files a/recordings/expected-1.png and b/recordings/expected-1.png differ
diff --git a/recordings/expected-2.png b/recordings/expected-2.png
index 4f90f4d..1edc42a 100644
Binary files a/recordings/expected-2.png and b/recordings/expected-2.png differ
diff --git a/recordings/expected-3.png b/recordings/expected-3.png
index cf09cba..fd627d8 100644
Binary files a/recordings/expected-3.png and b/recordings/expected-3.png differ
diff --git a/recordings/expected-4.png b/recordings/expected-4.png
new file mode 100644
index 0000000..c9d2f19
Binary files /dev/null and b/recordings/expected-4.png differ
diff --git a/recordings/expected-5.png b/recordings/expected-5.png
new file mode 100644
index 0000000..456ba19
Binary files /dev/null and b/recordings/expected-5.png differ
diff --git a/recordings/expected-6.png b/recordings/expected-6.png
new file mode 100644
index 0000000..d4628f6
Binary files /dev/null and b/recordings/expected-6.png differ
diff --git a/ttyplot.c b/ttyplot.c
index 638c766..69ce4f7 100644
--- a/ttyplot.c
+++ b/ttyplot.c
@@ -634,6 +634,7 @@ int main(int argc, char *argv[]) {
             td=derivative(&values1[n], two ? &values2[n] : NULL, &now);
 
 redraw_and_continue:
+        gettimeofday(&now, NULL);
         redraw_screen(errstr);
     }