diff --git a/ios/Classes/LinphoneBridge.swift b/ios/Classes/LinphoneBridge.swift
index 2eb3480..3bf62da 100644
--- a/ios/Classes/LinphoneBridge.swift
+++ b/ios/Classes/LinphoneBridge.swift
@@ -58,10 +58,10 @@ class LinphoneBridge {
         do {
             let factory = Factory.Instance
             core = try factory.createCore(configPath: nil, factoryConfigPath: nil, systemContext: nil)
-           
-            code.ipv6Enabled = false
-            core.config?.setInt("net", "ipv6", 0)
-            core.config?.sync()
+          
+            core.ipv6Enabled = false
+            core.config?.setInt(section: "net", key: "ipv6", value: 0) 
+            try core.config?.sync()
 
             // Add core listener
             core.addDelegate(delegate: self)