diff --git a/scripts/cmake/SubmoduleSetup.cmake b/scripts/cmake/SubmoduleSetup.cmake
index 0f9129ed08431ad3a6c92297c0e1acc29333f1c9..f3d81e2d4d7fc423a1be9ad4db4b67fea6828d6b 100644
--- a/scripts/cmake/SubmoduleSetup.cmake
+++ b/scripts/cmake/SubmoduleSetup.cmake
@@ -9,13 +9,10 @@ set(REQUIRED_SUBMODULES
 	ThirdParty/cmake-modules
 	ThirdParty/vtkdiff
 	ThirdParty/tclap
+	ThirdParty/tetgen
 	${OGS_ADDITIONAL_SUBMODULES_TO_CHECKOUT}
 )
 
-if(OGS_BUILD_GUI)
-	set(REQUIRED_SUBMODULES ${REQUIRED_SUBMODULES} ThirdParty/tetgen)
-endif()
-
 foreach(SUBMODULE ${REQUIRED_SUBMODULES})
 	if(WIN32)
 		set(SUBMODULE_STATE 1)