diff --git a/packages/firestore/ios/Plugin/FirebaseFirestoreHelper.swift b/packages/firestore/ios/Plugin/FirebaseFirestoreHelper.swift
index cf94c9ab..9cf04cde 100644
--- a/packages/firestore/ios/Plugin/FirebaseFirestoreHelper.swift
+++ b/packages/firestore/ios/Plugin/FirebaseFirestoreHelper.swift
@@ -64,6 +64,9 @@ public class FirebaseFirestoreHelper {
         guard let value = value else {
             return nil
         }
+        if let value = value as? Timestamp {
+            return value.dateValue()
+        }
         guard let value = JSTypes.coerceDictionaryToJSObject(["key": value]) as JSObject? else {
             return nil
         }
diff --git a/packages/firestore/ios/Plugin/FirebaseFirestorePlugin.swift b/packages/firestore/ios/Plugin/FirebaseFirestorePlugin.swift
index 08ebea6e..5e2df76f 100644
--- a/packages/firestore/ios/Plugin/FirebaseFirestorePlugin.swift
+++ b/packages/firestore/ios/Plugin/FirebaseFirestorePlugin.swift
@@ -15,6 +15,7 @@ public class FirebaseFirestorePlugin: CAPPlugin {
     private var pluginCallMap: [String: CAPPluginCall] = [:]
 
     override public func load() {
+        self.shouldStringifyDatesInCalls = false
         self.implementation = FirebaseFirestore(plugin: self)
     }