diff --git a/ios/AutomaticProperties.swift b/ios/AutomaticProperties.swift
index c49ce60e..e6889f74 100644
--- a/ios/AutomaticProperties.swift
+++ b/ios/AutomaticProperties.swift
@@ -5,7 +5,7 @@ class AutomaticProperties {
     static var peopleProperties: Dictionary<String, MixpanelType> = [:];
     
     static func setAutomaticProperties(_ properties: [String: Any]) {
-        for (key,value) in properties {
+        for (key,value) in properties ?? [:]  {
             peopleProperties[key] = MixpanelTypeHandler.mixpanelTypeValue(value)
         }
     }