diff --git a/src/chatmodel.h b/src/chatmodel.h
index 5a35db9..d44a35f 100644
--- a/src/chatmodel.h
+++ b/src/chatmodel.h
@@ -1,3 +1,5 @@
+#ifndef CHATMODEL_H
+#define CHATMODEL_H
 #include <QString>
 #include <map>
 #include <vector>
@@ -6,65 +8,83 @@
 class ChatItem
 {
     private:
-        long timestamp;
-        QString address;
-        QString contact;
-        QString memo; 
-        bool outgoing = false;
+        long _timestamp;
+        QString _address;
+        QString _contact;
+        QString _memo; 
+        bool _outgoing = false;
 
     public:
         ChatItem() {}
-        ChatItem(long timestamp, QString address, QString contact, QString memo);
-        ChatItem(long timestamp, QString address, QString contact, QString memo, bool outgoing = false);
+
+        ChatItem(long timestamp, QString address, QString contact, QString memo)
+        {
+            _timestamp = timestamp;
+            _address = address;
+            _contact = contact;
+            _memo = memo;
+            _outgoing = false;
+
+        }
+
+        ChatItem(long timestamp, QString address, QString contact, QString memo, bool outgoing)
+        {
+            _timestamp = timestamp;
+            _address = address;
+            _contact = contact;
+            _memo = memo;
+            _outgoing = outgoing;
+
+        }
 
         long getTimestamp()
         {
-            return this->timestamp;
+            return _timestamp;
         }
 
         QString getAddress()
         {
-            return this->address;
+            return _address;
         }
 
         QString getContact()
         {
-            return this->contact;
+            return _contact;
         }
 
         QString getMemo()
         {
-            return this->memo;
+            return _memo;
         }
 
         bool isOutgoing()
         {
-            return this->outgoing;
+            return _outgoing;
         }
 
         void setTimestamp(long timestamp)
         {
-            this->timestamp = timestamp;
+            _timestamp = timestamp;
         }
 
         void setAddress(QString address)
         {
-            this->address = address;
+            _address = address;
         }
 
         void setContact(QString contact)
         {
-            this->contact = contact;
+            _contact = contact;
         }
 
         void setMemo(QString memo)
         {
-            this->memo = memo;
+            _memo = memo;
         }
 
         void toggleOutgo()
         {
-            this->outgoing = true;
+            _outgoing = true;
         }
 
         ~ChatItem()
@@ -95,4 +115,5 @@ class ChatModel
         void clear();
         void addMessage(ChatItem item);
         void addMessage(long timestamp, ChatItem item);
-};
\ No newline at end of file
+};
+#endif
\ No newline at end of file
diff --git a/src/controller.cpp b/src/controller.cpp
index 0661b06..b7c5dba 100644
--- a/src/controller.cpp
+++ b/src/controller.cpp
@@ -10,6 +10,7 @@ template<>
 DataStore<QString>* DataStore<QString>::instance = nullptr;
 template<>
 bool DataStore<QString>::instanced = false;
+ChatModel *chatModel = new ChatModel();
 
 using json = nlohmann::json;
 
@@ -877,6 +878,7 @@ void Controller::refreshTransactions()
                     QString memo;
                     if (!o["memo"].is_null()) 
                     {
+                        memo = QString::fromStdString(o["memo"]);
                         ChatItem item = ChatItem(
                                 datetime,
                                 address,
@@ -885,7 +887,7 @@ void Controller::refreshTransactions()
                                 true // is an outgoing message
                             );
                         chatModel->addMessage(item);
-                        memo = QString::fromStdString(o["memo"]);
+                        
                     }
                         
                     
@@ -925,6 +927,7 @@ void Controller::refreshTransactions()
                 QString memo;
                 if (!it["memo"].is_null())
                 {
+                    memo = QString::fromStdString(it["memo"]);
                     ChatItem item = ChatItem(
                                 datetime,
                                 address,
@@ -933,7 +936,7 @@ void Controller::refreshTransactions()
                             );
                     chatModel->addMessage(item);
                 }
-                    memo = QString::fromStdString(it["memo"]);
+                    
 
                 items.push_back(
                     TransactionItemDetail{
diff --git a/src/controller.h b/src/controller.h
index 5071dee..a5f0fee 100644
--- a/src/controller.h
+++ b/src/controller.h
@@ -15,8 +15,6 @@
 
 using json = nlohmann::json;
 
-ChatModel *chatModel = new ChatModel();
-
 struct WatchedTx {
     QString opid;
     Tx tx;