diff --git a/src/Mod/Assembly/App/opendcm/core.hpp b/src/Mod/Assembly/App/opendcm/core.hpp
index b30cd8aec7..f878620bdf 100644
--- a/src/Mod/Assembly/App/opendcm/core.hpp
+++ b/src/Mod/Assembly/App/opendcm/core.hpp
@@ -25,6 +25,8 @@
 	#pragma warning( disable : 4503 )
 	//warning about changed pod initalising behaviour (boost blank in variant)
 	#pragma warning( disable : 4345 )
+	//warning about multiple assignemnt operators in Equation
+	#pragma warning( disable : 4522 )
 
 	//disable boost concept checks, as some of them have alignment problems which bring msvc to an error
 	//(for example DFSvisitor check in boost::graph::depht_first_search)
diff --git a/src/Mod/Assembly/CMakeLists.txt b/src/Mod/Assembly/CMakeLists.txt
index f4b5f84160..aa8e18d55d 100644
--- a/src/Mod/Assembly/CMakeLists.txt
+++ b/src/Mod/Assembly/CMakeLists.txt
@@ -8,6 +8,7 @@ endif(FREECAD_ASSEMBLY_SOLVER_LOGS)
 
 if(MSVC)
 add_definitions(/wd4503)
+add_definitions(/wd4181)
 endif(MSVC)
 
 add_subdirectory(App)