diff --git a/buba/static/display.js b/buba/static/display.js
index c1493b0..d30b9a5 100644
--- a/buba/static/display.js
+++ b/buba/static/display.js
@@ -49,7 +49,6 @@ export default class {
             // rowSvg.setAttribute("width", "320");
             // rowSvg.setAttribute("height", "15");
 
-            let rect = document.createElementNS(this.svgns, "rect");
             for (let c = 1; c <= this.config.cols; c++) {
                 let g = document.createElementNS(this.svgns, "g");
                 rowSvg.appendChild(g);
@@ -65,12 +64,15 @@ export default class {
             }
         }
         let c = 1
-        c += this.applyText(1, 1," !\"#$%&'()*+,-./0123456789:;<=>?");
-        c += this.applyText(2, 1,"@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
-        c += this.applyText(3, 1,"`abcdefghijklmnopqrstuvwxyz{|}~\x7f");
+        this.applyText(1, 1," !\"#$%&'()*+,-./0123456789:;<=>?");
+        this.applyText(2, 1,"@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
+        this.applyText(3, 1,"`abcdefghijklmnopqrstuvwxyz{|}~\x7f\u0123");
     }
 
     applyCharacter(row, col, char) {
+        let f = this.font[char]
+        if (f === undefined)
+            return 0;
         for (let c of this.font[char]) {
             for (let s = 0; s < c.length; s++) {
                 const e = this.container.querySelector(`#geavision__row_${row}_${col}_${s+1}`)
@@ -219,7 +221,7 @@ export default class {
         defs[0x2f] = [ // /
             '...... .....# ###### ###...',
             '.....# .####. ...... ......',
-            '#####.. ...... ...... ......',
+            '#####. ...... ...... ......',
             '...... ...... ...... ......',
         ]