diff --git a/Valentina.pro b/Valentina.pro
index e37603bbc..496310cf8 100644
--- a/Valentina.pro
+++ b/Valentina.pro
@@ -21,7 +21,7 @@ CONFIG += c++11
 DESTDIR = bin
 
 # files created moc
-#MOC_DIR = moc
+MOC_DIR = moc
 
 # objecs files
 OBJECTS_DIR = obj
@@ -51,7 +51,6 @@ OTHER_FILES += share/resources/valentina.rc \
 TRANSLATIONS += share/translations/valentina_ru.ts \
                 share/translations/valentina_uk.ts \
                 share/translations/valentina_de.ts
-QMAKE_CXX = g++
 unix {
 QMAKE_CXX = ccache g++
 }
@@ -68,8 +67,7 @@ CONFIG(debug, debug|release){
     *-g++{
     QMAKE_CXXFLAGS += -isystem "/usr/include/qt5" -isystem "/usr/include/qt5/QtWidgets" \
                       -isystem "/usr/include/qt5/QtXml" -isystem "/usr/include/qt5/QtGui" \
-                      -isystem "/usr/include/qt5/QtCore" -isystem "$${UI_DIR}" \
-# -isystem "$${MOC_DIR}" \
+                      -isystem "/usr/include/qt5/QtCore" -isystem "$${UI_DIR}" -isystem "$${MOC_DIR}" \
                       -isystem "$${RCC_DIR}" \
                       -Og -Wall -Wextra -pedantic -Weffc++ -Woverloaded-virtual -Wctor-dtor-privacy \
                       -Wnon-virtual-dtor -Wold-style-cast -Wconversion -Winit-self \
@@ -109,7 +107,7 @@ win32:RC_FILE = share/resources/valentina.rc
 QMAKE_DISTCLEAN += $${DESTDIR}/* \
                    $${OBJECTS_DIR}/* \
                    $${UI_DIR}/* \
-#                   $${MOC_DIR}/* \
+                   $${MOC_DIR}/* \
                    $${RCC_DIR}/*
 
 unix {