diff --git a/ios/RNCookieManagerIOS/RNCookieManagerIOS.m b/ios/RNCookieManagerIOS/RNCookieManagerIOS.m
index 47609f69..4b72c2dd 100644
--- a/ios/RNCookieManagerIOS/RNCookieManagerIOS.m
+++ b/ios/RNCookieManagerIOS/RNCookieManagerIOS.m
@@ -152,7 +152,10 @@ -(NSString *)getDomainName:(NSURL *) url
             [d setObject:c.name forKey:@"name"];
             [d setObject:c.domain forKey:@"domain"];
             [d setObject:c.path forKey:@"path"];
-            [d setObject:[self.formatter stringFromDate:c.expiresDate] forKey:@"expiresDate"];
+            NSString *expiresStr = [self.formatter stringFromDate:c.expiresDate];
+            if (expiresStr) {
+              [d setObject:expiresStr forKey:@"expiresDate"];
+            }
             [cookies setObject:d forKey:c.name];
         }
         resolve(cookies);
@@ -240,7 +243,10 @@ -(NSString *)getDomainName:(NSURL *) url
         [d setObject:c.name forKey:@"name"];
         [d setObject:c.domain forKey:@"domain"];
         [d setObject:c.path forKey:@"path"];
-        [d setObject:[self.formatter stringFromDate:c.expiresDate] forKey:@"expiresDate"];
+        NSString *expiresStr = [self.formatter stringFromDate:c.expiresDate];
+        if (expiresStr) {
+          [d setObject:expiresStr forKey:@"expiresDate"];
+        }
         [cookies setObject:d forKey:c.name];
     }
 }