diff --git a/extension.js b/extension.js
index dcc7c67..c60cd67 100644
--- a/extension.js
+++ b/extension.js
@@ -40,15 +40,17 @@ function sequentialNumberGenerate() {
 					}
 				}
 
-				let result = start;
+				let isHex = start.startsWith('0x');
+				let result = isHex ? parseInt(start, 16) : parseInt(start);
 
 				vscode.window.activeTextEditor.edit((editBuilder) => {
 					vscode.window.activeTextEditor.selections.forEach((element, index) => {
 						if (index != 0) {
-							result = eval(parseInt(result) + operator + parseInt(step));
+							result = eval(result + operator + parseInt(step));
 						}
 
-						editBuilder.replace(element, result.toString());
+						let output = isHex ? '0x' + result.toString(16) : result.toString();
+						editBuilder.replace(element, output);
 					});
 				});
 			}