diff --git a/tool/decode/lib/titlegen.c b/tool/decode/lib/titlegen.c
index d7684ae55..d45e064ca 100644
--- a/tool/decode/lib/titlegen.c
+++ b/tool/decode/lib/titlegen.c
@@ -39,7 +39,7 @@ void showtitle(const char *brand, const char *tool, const char *title,
   }
   printf("/*");
   if (modeline) {
-    printf("-*-%-71s-*-│\n│vi:%-72s:vi│\n╞", modeline->emacs, modeline->vim);
+    printf("-*-%-71s-*-│\n│ vi:%-70s:vi │\n╞", modeline->emacs, modeline->vim);
     for (unsigned i = 0; i < 78; ++i) printf("═");
     printf("╡\n│ %-76s ", buf);
   } else {