diff --git a/nodes/ccu-display.js b/nodes/ccu-display.js
index 49817fc..d8773f1 100644
--- a/nodes/ccu-display.js
+++ b/nodes/ccu-display.js
@@ -94,7 +94,7 @@ module.exports = function (RED) {
                     ico = map[ico];
                 }
 
-                if (!['0x80', '0x81', '0x82', '0x83', '0x84', '0x85', '0x86', '0x87', '0x88', '0x89', '0x8A', '0x8B'].includes(ico)) {
+                if (!['0x80', '0x81', '0x82', '0x83', '0x84', '0x85', '0x86', '0x87', '0x88', '0x89', '0x8a', '0x8b'].includes(ico)) {
                     ico = '';
                 }