1 files changed, 1 insertions, 1 deletions
diff --git a/src/seq.c b/src/seq.c
index b073c3c01..6e640a4a7 100644
--- a/src/seq.c
+++ b/src/seq.c
@@ -259,7 +259,7 @@ get_width_format ()
     }
 
   sprintf (buffer, "%g", rint (max_val));
-  if (buffer[strspn (buffer, "0123456789")] != '\0')
+  if (buffer[strspn (buffer, "-0123456789")] != '\0')
     return "%g";
   width1 = strlen (buffer);