diff --git a/demo/client/components/window/testWindow.ts b/demo/client/components/window/testWindow.ts
index 2a5f8b4f..d7a2d315 100644
--- a/demo/client/components/window/testWindow.ts
+++ b/demo/client/components/window/testWindow.ts
@@ -399,10 +399,10 @@ function customGlyphAlignmentHandler(term: Terminal): void {
 
   term.write('\x1b[0mTriangular fill tests:\x1b[36m\n\r');
   term.write('1FB9C 1FB9D 1FB9E 1FB9F all\n\r');
-  term.write('\u{1FB90}\u{1FB90}\u{1FB90}\u{1FB9C}  \u{1FB9D}\u{1FB90}\u{1FB90}\u{1FB90}  \u{00020}\u{00020}\u{00020}\u{1FB9E}  \u{1FB9F}\u{00020}\u{00020}\u{00020}  \u{00020}\u{1FB9E}\u{1FB9F}\u{00020}\n\r');
-  term.write('\u{1FB90}\u{1FB90}\u{1FB9C}\u{00020}  \u{00020}\u{1FB9D}\u{1FB90}\u{1FB90}  \u{00020}\u{00020}\u{1FB9E}\u{1FB90}  \u{1FB90}\u{1FB9F}\u{00020}\u{00020}  \u{1FB9E}\u{1FB90}\u{1FB90}\u{1FB9F}\n\r');
-  term.write('\u{1FB90}\u{1FB9C}\u{00020}\u{00020}  \u{00020}\u{00020}\u{1FB9D}\u{1FB90}  \u{00020}\u{1FB9E}\u{1FB90}\u{1FB90}  \u{1FB90}\u{1FB90}\u{1FB9F}\u{00020}  \u{1FB9D}\u{1FB90}\u{1FB90}\u{1FB9C}\n\r');
-  term.write('\u{1FB9C}\u{00020}\u{00020}\u{00020}  \u{00020}\u{00020}\u{00020}\u{1FB9D}  \u{1FB9E}\u{1FB90}\u{1FB90}\u{1FB90}  \u{1FB90}\u{1FB90}\u{1FB90}\u{1FB9F}  \u{00020}\u{1FB9D}\u{1FB9C}\u{00020}\n\r');
+  term.write('\u{02592}\u{02592}\u{02592}\u{1FB9C}  \u{1FB9D}\u{02592}\u{02592}\u{02592}  \u{00020}\u{00020}\u{00020}\u{1FB9E}  \u{1FB9F}\u{00020}\u{00020}\u{00020}  \u{00020}\u{1FB9E}\u{1FB9F}\u{00020}\n\r');
+  term.write('\u{02592}\u{02592}\u{1FB9C}\u{00020}  \u{00020}\u{1FB9D}\u{02592}\u{02592}  \u{00020}\u{00020}\u{1FB9E}\u{02592}  \u{02592}\u{1FB9F}\u{00020}\u{00020}  \u{1FB9E}\u{02592}\u{02592}\u{1FB9F}\n\r');
+  term.write('\u{02592}\u{1FB9C}\u{00020}\u{00020}  \u{00020}\u{00020}\u{1FB9D}\u{02592}  \u{00020}\u{1FB9E}\u{02592}\u{02592}  \u{02592}\u{02592}\u{1FB9F}\u{00020}  \u{1FB9D}\u{02592}\u{02592}\u{1FB9C}\n\r');
+  term.write('\u{1FB9C}\u{00020}\u{00020}\u{00020}  \u{00020}\u{00020}\u{00020}\u{1FB9D}  \u{1FB9E}\u{02592}\u{02592}\u{02592}  \u{02592}\u{02592}\u{02592}\u{1FB9F}  \u{00020}\u{1FB9D}\u{1FB9C}\u{00020}\n\r');
 
   term.write('\x1b[0mPowerline alignment tests:\n\r');
   const powerlineLeftChars = ['\u{E0B2}', '\u{E0B3}', '\u{E0B6}', '\u{E0B7}', '\u{E0BA}', '\u{E0BB}', '\u{E0BE}', '\u{E0BF}', '\u{E0C2}', '\u{E0C3}', '\u{E0C5}', '\u{E0C7}', '\u{E0CA}', '\u{E0D4}'];