diff --git a/Telegram/SourceFiles/lang/lang_instance.cpp b/Telegram/SourceFiles/lang/lang_instance.cpp
index 1a48700b9..08a7f75f7 100644
--- a/Telegram/SourceFiles/lang/lang_instance.cpp
+++ b/Telegram/SourceFiles/lang/lang_instance.cpp
@@ -59,7 +59,9 @@ private:
 
 	bool _failed = true;
 
-	const char *_begin, *_ch, *_end;
+	const char *_begin = nullptr;
+	const char *_ch = nullptr;
+	const char *_end = nullptr;
 
 	QString _result;
 	OrderedSet<ushort> _tagsUsed;
@@ -69,6 +71,7 @@ private:
 ValueParser::ValueParser(const QByteArray &key, LangKey keyIndex, const QByteArray &value)
 : _key(key)
 , _keyIndex(keyIndex)
+, _currentTag("")
 , _begin(value.constData())
 , _ch(_begin)
 , _end(_begin + value.size()) {
@@ -146,7 +149,7 @@ bool ValueParser::parse() {
 			_result.append(_currentTagReplacer);
 
 			_begin = _ch + 1;
-			_currentTag = QLatin1String();
+			_currentTag = QLatin1String("");
 		}
 	}
 	appendToResult(_end);
diff --git a/Telegram/SourceFiles/mtproto/special_config_request.cpp b/Telegram/SourceFiles/mtproto/special_config_request.cpp
index 3bb2ea258..92c4b9250 100644
--- a/Telegram/SourceFiles/mtproto/special_config_request.cpp
+++ b/Telegram/SourceFiles/mtproto/special_config_request.cpp
@@ -104,10 +104,10 @@ void SpecialConfigRequest::dnsFinished() {
 		auto answerIt = response.find(qsl("Answer"));
 		if (answerIt == response.constEnd()) {
 			LOG(("Config Error: Could not find Answer in dns response JSON."));
-		} else if (!answerIt->isArray()) {
+		} else if (!(*answerIt).isArray()) {
 			LOG(("Config Error: Not an array received in Answer in dns response JSON."));
 		} else {
-			for (auto elem : answerIt->toArray()) {
+			for (auto elem : (*answerIt).toArray()) {
 				if (!elem.isObject()) {
 					LOG(("Config Error: Not an object found in Answer array in dns response JSON."));
 				} else {
@@ -115,10 +115,10 @@ void SpecialConfigRequest::dnsFinished() {
 					auto dataIt = object.find(qsl("data"));
 					if (dataIt == object.constEnd()) {
 						LOG(("Config Error: Could not find data in Answer array entry in dns response JSON."));
-					} else if (!dataIt->isString()) {
+					} else if (!(*dataIt).isString()) {
 						LOG(("Config Error: Not a string data found in Answer array entry in dns response JSON."));
 					} else {
-						auto data = dataIt->toString();
+						auto data = (*dataIt).toString();
 						entries.insertMulti(INT_MAX - data.size(), data);
 					}
 				}