diff --git a/ios/Classes/LinphoneBridge.swift b/ios/Classes/LinphoneBridge.swift
index 3bf62da..28ccd7a 100644
--- a/ios/Classes/LinphoneBridge.swift
+++ b/ios/Classes/LinphoneBridge.swift
@@ -61,7 +61,7 @@ class LinphoneBridge {
           
             core.ipv6Enabled = false
             core.config?.setInt(section: "net", key: "ipv6", value: 0) 
-            try core.config?.sync()
+            try? core.config?.sync()
 
             // Add core listener
             core.addDelegate(delegate: self)