diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/editors/buffer.js b/packages/node_modules/@node-red/editor-client/src/js/ui/editors/buffer.js
index f47ec508b..03a50e60b 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/editors/buffer.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/editors/buffer.js
@@ -121,7 +121,7 @@
                         var i=0,l=bufferBinValue.length;
                         var c = 0;
                         for(i=0;i<l;i++) {
-                            var d = parseInt(bufferBinValue[i]);
+                            var d = parseInt(Number(bufferBinValue[i]));
                             if (!isString && (isNaN(d) || d < 0 || d > 255)) {
                                 valid = false;
                                 break;