diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0f1552d7d4b651424dd792ad1b1df65472d1d4ae..eff063dafa31b15acc9fb30d04dc16d652a13c4c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,7 +73,7 @@ IF(NOT MSVC AND BLAS_FOUND AND LAPACK_FOUND)
 	ADD_SUBDIRECTORY( SimpleTests/SolverTests )
 ENDIF()
 IF(OGS_BUILD_GUI)
-	ADD_DEFINITIONS(-DOGS_USE_QT)
+	ADD_DEFINITIONS(-DOGS_BUILD_GUI)
 	ADD_SUBDIRECTORY(Gui)
 ENDIF()
 
diff --git a/scripts/cmake/Find.cmake b/scripts/cmake/Find.cmake
index 57804f08fcccfdc167dbaaba4da3d016ebfee091..309094892c454daa814642c164112d67f962a50b 100644
--- a/scripts/cmake/Find.cmake
+++ b/scripts/cmake/Find.cmake
@@ -70,8 +70,8 @@ ENDIF()
 IF(VTK_FOUND)
 	ADD_DEFINITIONS(-DVTK_FOUND)
 	FIND_PACKAGE(QVTK)
-	IF(NOT QVTK_FOUND AND OGS_USE_QT)
-		MESSAGE(FATAL_ERROR "QVTK was not found but is required for OGS_USE_QT! On Ubuntu it can be installed via 'sudo apt-get install libvtk5-qt4-dev'")
+	IF(NOT QVTK_FOUND AND OGS_BUILD_GUI)
+		MESSAGE(FATAL_ERROR "QVTK was not found but is required for OGS_BUILD_GUI! On Ubuntu it can be installed via 'sudo apt-get install libvtk5-qt4-dev'")
 	ENDIF()
 ENDIF()
 
@@ -85,12 +85,12 @@ ENDIF()
 
 IF(VTK_NETCDF_FOUND)
 	ADD_DEFINITIONS(-DVTK_NETCDF_FOUND)
-	INCLUDE_DIRECTORIES(${VTK_NETCDF_FOUND})
+	INCLUDE_DIRECTORIES(${VTK_NETCDF_FOUND} ${VTK_DIR}/Utilities)
 ELSE()
 	SET(NETCDF_CXX TRUE)
 	FIND_PACKAGE(NetCDF)
 	IF(NOT NETCDF_FOUND AND OGS_BUILD_GUI)
-		MESSAGE(FATAL_ERROR "NetCDF was not found but is required for OGS_USE_QT!")
+		MESSAGE(FATAL_ERROR "NetCDF was not found but is required for OGS_BUILD_GUI!")
 	ENDIF()
 ENDIF()