1 files changed, 2 insertions, 0 deletions
diff --git a/js/lex.js b/js/lex.js
index 308f666..20c801b 100644
--- a/js/lex.js
+++ b/js/lex.js
@@ -14,6 +14,8 @@ function Lex (x,y) {
   this.focused = false
 }
 Lex.prototype.build = function(){
+  if (isNaN(this.bg) || this.bg == Infinity || this.bg == -Infinity) this.bg = colors.black
+  if (isNaN(this.fg) || this.fg == Infinity || this.fg == -Infinity) this.fg = colors.black
   this.span.className = this.css()
   this.span.innerHTML = this.html()
 }