diff --git a/csi.c b/csi.c
index 7e0cf464..0cf8e203 100644
--- a/csi.c
+++ b/csi.c
@@ -117,9 +117,9 @@ csi_sgr(struct terminal *term)
                         style > UNDERLINE_SINGLE;
                     break;
                 }
-
-                term_update_ascii_printer(term);
-            }
+            } else
+                term->bits_affecting_ascii_printer.underline_style = false;
+            term_update_ascii_printer(term);
             break;
         }
         case 5: term->vt.attrs.blink = true; break;