diff --git a/src/Mod/Part/App/FeaturePartFuse.cpp b/src/Mod/Part/App/FeaturePartFuse.cpp
index 42ef3827b9..82f4a423b4 100644
--- a/src/Mod/Part/App/FeaturePartFuse.cpp
+++ b/src/Mod/Part/App/FeaturePartFuse.cpp
@@ -31,12 +31,15 @@
 #endif
 
 #include <App/Application.h>
+#include <Base/Console.h>
 #include <Base/Parameter.h>
 
 #include "FeaturePartFuse.h"
+#include "TopoShapeOpCode.h"
 #include "modelRefine.h"
 #include "TopoShapeOpCode.h"
 
+FC_LOG_LEVEL_INIT("Part",true,true);
 
 using namespace Part;
 
@@ -87,6 +90,7 @@ short MultiFuse::mustExecute() const
 
 App::DocumentObjectExecReturn *MultiFuse::execute()
 {
+#ifndef FC_USE_TNP_FIX
     std::vector<TopoDS_Shape> s;
     std::vector<App::DocumentObject*> obj = Shapes.getValues();
 
@@ -198,4 +202,46 @@ App::DocumentObjectExecReturn *MultiFuse::execute()
     }
 
     return App::DocumentObject::StdReturn;
+#else
+    std::vector<TopoShape> shapes;
+    for (auto obj : Shapes.getValues()) {
+        TopoShape sh = Feature::getTopoShape(obj);
+        if (sh.isNull()) {
+            return new App::DocumentObjectExecReturn("Input shape is null");
+        }
+        if (!sh.hasSubShape(TopAbs_SOLID)) {
+            if (FC_LOG_INSTANCE.isEnabled(FC_LOGLEVEL_LOG)) {
+                FC_WARN("fusion of non solid: " << obj->getFullName());
+            }
+            else {
+                FC_MSG("fusion of non solid: " << obj->getFullName());
+            }
+        }
+        shapes.push_back(sh);
+    }
+
+    TopoShape res(0);
+    res.makeElementBoolean(Part::OpCodes::Fuse, shapes);
+    if (res.isNull()) {
+        throw Base::RuntimeError("Resulting shape is null");
+    }
+
+    Base::Reference<ParameterGrp> hGrp = App::GetApplication()
+                                             .GetUserParameter()
+                                             .GetGroup("BaseApp")
+                                             ->GetGroup("Preferences")
+                                             ->GetGroup("Mod/Part/Boolean");
+    if (hGrp->GetBool("CheckModel", false)) {
+        BRepCheck_Analyzer aChecker(res.getShape());
+        if (!aChecker.IsValid()) {
+            return new App::DocumentObjectExecReturn("Resulting shape is invalid");
+        }
+    }
+
+    if (this->Refine.getValue()) {
+        res = res.makeElementRefine();
+    }
+    this->Shape.setValue(res);
+    return Part::Feature::execute();
+#endif
 }