diff --git a/freepbx.js b/freepbx.js
index 562d835..a39ff98 100644
--- a/freepbx.js
+++ b/freepbx.js
@@ -221,10 +221,10 @@ class FreepbxManager {
 		const startExt = process.env.START_EXT ? parseInt(process.env.START_EXT, 10) : 1000;
 		// Remove duplicates by using a Set
 		const existingExtsSet = new Set(exts.map(ext => parseInt(ext.user.extension, 10)));
-		const existingExts = Array.from(existingExtsSet).sort((a, b) => a - b);
+		var existingExts = Array.from(existingExtsSet).sort((a, b) => a - b);
 
 		// Filter out extensions that are less than the starting extension
-		const filteredExts = existingExts.filter(ext => ext >= startExt);
+		existingExts = existingExts.filter(ext => ext >= startExt);
 
 		if (process.env.DEBUG == 'true') {
 			console.log(`Existing extensions: ${existingExts.join(', ')}`);