diff --git a/example/swift/src/main.swift b/example/swift/src/main.swift
index a934decf7..1826459dc 100644
--- a/example/swift/src/main.swift
+++ b/example/swift/src/main.swift
@@ -7,13 +7,13 @@ class TdClient {
     let tdlibMainLoop = DispatchQueue(label: "TDLib")
     let tdlibQueryQueue = DispatchQueue(label: "TDLibQuery")
     var queryF = Dictionary<Int64, (Dictionary<String,Any>)->()>()
-    var updateF : ((Dictionary<String,Any>)->())?
-    var queryId : Int64 = 0
-    
+    var updateF: ((Dictionary<String,Any>)->())?
+    var queryId: Int64 = 0
+
     func queryAsync(query: [String: Any], f: ((Dictionary<String,Any>)->())? = nil) {
         tdlibQueryQueue.async {
             var newQuery = query
-            
+
             if f != nil {
                 let nextQueryId = self.queryId + 1
                 newQuery["@extra"] = nextQueryId
@@ -23,7 +23,7 @@ class TdClient {
             td_json_client_send(self.client, to_json(newQuery))
         }
     }
-    
+
     func querySync(query: [String: Any]) -> Dictionary<String,Any> {
         let semaphore = DispatchSemaphore(value:0)
         var result = Dictionary<String,Any>()
@@ -33,9 +33,8 @@ class TdClient {
         }
         semaphore.wait()
         return result
-        
     }
-    
+
     init() {
     }
 
@@ -48,7 +47,7 @@ class TdClient {
         tdlibMainLoop.async { [weak self] in
             while (true) {
                 if let s = self {
-                    if let res = td_json_client_receive(s.client,10) {
+                    if let res = td_json_client_receive(s.client, 10) {
                         let event = String(cString: res)
                         s.queryResultAsync(event)
                     }
@@ -58,11 +57,11 @@ class TdClient {
             }
         }
     }
-    
+
     private func queryResultAsync(_ result: String) {
         tdlibQueryQueue.async {
             let json = try? JSONSerialization.jsonObject(with: result.data(using: .utf8)!, options:[])
-            if let dictionary =  json as? [String:Any] {
+            if let dictionary = json as? [String:Any] {
                 if let extra = dictionary["@extra"] as? Int64 {
                     let index = self.queryF.index(forKey: extra)!
                     self.queryF[index].value(dictionary)
@@ -75,7 +74,7 @@ class TdClient {
     }
 }
 
-func to_json(_ obj: Any) -> String  {
+func to_json(_ obj: Any) -> String {
     do {
         let obj = try JSONSerialization.data(withJSONObject: obj)
         return String(data: obj, encoding: .utf8)!
@@ -98,7 +97,7 @@ func myReadLine() -> String {
     }
 }
 
-func updateAuthorizationState(authState : Dictionary<String, Any>) {
+func updateAuthorizationState(authState: Dictionary<String, Any>) {
     switch(authState["@type"] as! String) {
         case "authorizationStateWaitTdlibParameters":
             client.queryAsync(query:[
@@ -118,19 +117,19 @@ func updateAuthorizationState(authState : Dictionary<String, Any>) {
 
         case "authorizationStateWaitEncryptionKey":
             client.queryAsync(query: ["@type":"checkDatabaseEncryptionKey", "key":"cucumber"])
-            
+
         case "authorizationStateWaitPhoneNumber":
             print("Enter your phone: ")
             let phone = myReadLine()
             client.queryAsync(query:["@type":"setAuthenticationPhoneNumber", "phone_number":phone], f:checkAuthError)
-            
+
         case "authorizationStateWaitCode":
-            var first_name : String = ""
+            var first_name: String = ""
             var last_name: String = ""
-            var code : String = ""
+            var code: String = ""
             if let is_registered = authState["is_registered"] as? Bool, is_registered {
             } else {
-                print("Enter your first name : ")
+                print("Enter your first name: ")
                 first_name = myReadLine()
                 print("Enter your last name: ")
                 last_name = myReadLine()
@@ -169,5 +168,3 @@ client.run {
 while true {
     sleep(1)
 }
-
-
diff --git a/tdutils/td/utils/tl_parsers.cpp b/tdutils/td/utils/tl_parsers.cpp
index 7a44f3f8c..534e7793c 100644
--- a/tdutils/td/utils/tl_parsers.cpp
+++ b/tdutils/td/utils/tl_parsers.cpp
@@ -8,7 +8,7 @@
 
 namespace td {
 
-alignas(128) const unsigned char TlParser::empty_data[sizeof(UInt256)] = {};  // static zero-initialized
+alignas(4) const unsigned char TlParser::empty_data[sizeof(UInt256)] = {};  // static zero-initialized
 
 void TlParser::set_error(const string &error_message) {
   if (error.empty()) {
diff --git a/tdutils/td/utils/tl_parsers.h b/tdutils/td/utils/tl_parsers.h
index 009da33f3..ffb669bde 100644
--- a/tdutils/td/utils/tl_parsers.h
+++ b/tdutils/td/utils/tl_parsers.h
@@ -33,7 +33,7 @@ class TlParser {
   static constexpr size_t SMALL_DATA_ARRAY_SIZE = 6;
   std::array<int32, SMALL_DATA_ARRAY_SIZE> small_data_array;
 
-  static const unsigned char empty_data[sizeof(UInt256)];
+  alignas(4) static const unsigned char empty_data[sizeof(UInt256)];
 
  public:
   explicit TlParser(Slice slice) {