diff --git a/misc/fuel/fuel-table.el b/misc/fuel/fuel-table.el
index fd86429034..1a7e56e7e7 100644
--- a/misc/fuel/fuel-table.el
+++ b/misc/fuel/fuel-table.el
@@ -72,17 +72,19 @@
         (push (fuel-table--pad-row (reverse frow)) frows)))
     (reverse frows)))
 
-(defvar fuel-table-corner-lt "┌")
-(defvar fuel-table-corner-lb "└")
-(defvar fuel-table-corner-rt "┐")
-(defvar fuel-table-corner-rb "┘")
-(defvar fuel-table-line "─")
-(defvar fuel-table-tee-t "┬")
-(defvar fuel-table-tee-b "┴")
-(defvar fuel-table-tee-l "├")
-(defvar fuel-table-tee-r "┤")
-(defvar fuel-table-crux "┼")
-(defvar fuel-table-sep "│")
+;; These all need to be ascii to ensure the tables get rendered
+;; properly no matter the font.
+(defvar fuel-table-corner-lt "+")
+(defvar fuel-table-corner-lb "+")
+(defvar fuel-table-corner-rt "+")
+(defvar fuel-table-corner-rb "+")
+(defvar fuel-table-line "-")
+(defvar fuel-table-tee-t "+")
+(defvar fuel-table-tee-b "+")
+(defvar fuel-table-tee-l "|")
+(defvar fuel-table-tee-r "|")
+(defvar fuel-table-crux "+")
+(defvar fuel-table-sep "|")
 
 (defun fuel-table--insert-line (widths first last sep)
   (insert first fuel-table-line)