diff --git a/tty-features.c b/tty-features.c
index 28b6d0f64..ea6769dc6 100644
--- a/tty-features.c
+++ b/tty-features.c
@@ -579,6 +579,7 @@ tty_default_features(int *feat, const char *name, u_int version)
 			      "cstyle,"
 			      "extkeys,"
 			      "focus,"
+			      "overline,"
 			      "hyperlinks,"
 			      "osc7,"
 			      "sync,"