diff --git a/MasterController.cpp b/MasterController.cpp
index ee1f375..dc91936 100644
--- a/MasterController.cpp
+++ b/MasterController.cpp
@@ -1,7 +1,7 @@
 #include "MasterController.h"
 #include "connectionmanagerwindow.h"
 #include "connectionlistmodel.h"
-#include "mainwindow.h"
+#include "MainWindow.h"
 
 
 MasterController::MasterController(QObject *parent) : QObject(parent)
diff --git a/mainwindow.cpp b/mainwindow.cpp
index c989463..7da0ae0 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1,4 +1,4 @@
-#include "mainwindow.h"
+#include "MainWindow.h"
 #include "ui_mainwindow.h"
 
 //#include "QueryResultModel.h"
diff --git a/pglab.pro b/pglab.pro
index 622c741..318e6e7 100644
--- a/pglab.pro
+++ b/pglab.pro
@@ -16,7 +16,6 @@ DEFINES += WIN32_LEAN_AND_MEAN NOMINMAX
 LIBS += c:\prog\lib\libpq.lib c:\prog\lib\fmt.lib User32.lib ws2_32.lib
 
 SOURCES += main.cpp\
-        mainwindow.cpp \
     sqlparser.cpp \
     PgsqlConn.cpp \
     queryresultmodel.cpp \
@@ -49,9 +48,10 @@ SOURCES += main.cpp\
     MasterController.cpp \
     ParamTypeDelegate.cpp \
     OpenDatabase.cpp \
-    ParamListModel.cpp
+    ParamListModel.cpp \
+    MainWindow.cpp
 
-HEADERS  += mainwindow.h \
+HEADERS  += \
     sqlparser.h \
     PgsqlConn.h \
     queryresultmodel.h \
@@ -84,7 +84,8 @@ HEADERS  += mainwindow.h \
     MasterController.h \
     ParamTypeDelegate.h \
     OpenDatabase.h \
-    ParamListModel.h
+    ParamListModel.h \
+    MainWindow.h
 
 FORMS    += mainwindow.ui \
     databasewindow.ui \
diff --git a/querytab.cpp b/querytab.cpp
index 4044eb2..e55dd62 100644
--- a/querytab.cpp
+++ b/querytab.cpp
@@ -13,7 +13,7 @@
 #include <QClipboard>
 #include "explaintreemodelitem.h"
 #include "json/json.h"
-#include "mainwindow.h"
+#include "MainWindow.h"
 #include "OpenDatabase.h"
 #include "pgtypecontainer.h"
 #include "util.h"