diff --git a/OndselSolver/ASMTAssembly.h b/OndselSolver/ASMTAssembly.h
index 7f24a76..8364634 100644
--- a/OndselSolver/ASMTAssembly.h
+++ b/OndselSolver/ASMTAssembly.h
@@ -28,7 +28,7 @@ namespace MbD {
 	class ASMTItemIJ;
 	class MBDynSystem;
 
-	class ASMTAssembly : public ASMTSpatialContainer
+	class EXPORT ASMTAssembly : public ASMTSpatialContainer
 	{
 		//
 	public:
diff --git a/OndselSolver/ASMTInLineJoint.h b/OndselSolver/ASMTInLineJoint.h
index bac3829..371084f 100644
--- a/OndselSolver/ASMTInLineJoint.h
+++ b/OndselSolver/ASMTInLineJoint.h
@@ -11,7 +11,7 @@
 #include "ASMTJoint.h"
 
 namespace MbD {
-    class ASMTInLineJoint : public ASMTJoint
+    class EXPORT ASMTInLineJoint : public ASMTJoint
     {
         //
     public:
diff --git a/OndselSolver/ASMTInPlaneJoint.h b/OndselSolver/ASMTInPlaneJoint.h
index d6bdf3d..445dcc8 100644
--- a/OndselSolver/ASMTInPlaneJoint.h
+++ b/OndselSolver/ASMTInPlaneJoint.h
@@ -11,7 +11,7 @@
 #include "ASMTJoint.h"
 
 namespace MbD {
-    class ASMTInPlaneJoint : public ASMTJoint
+    class EXPORT ASMTInPlaneJoint : public ASMTJoint
     {
         //
     public:
diff --git a/OndselSolver/ASMTItem.cpp b/OndselSolver/ASMTItem.cpp
index 9e40991..4fd9c51 100644
--- a/OndselSolver/ASMTItem.cpp
+++ b/OndselSolver/ASMTItem.cpp
@@ -151,6 +151,7 @@ void MbD::ASMTItem::deleteMbD()
 
 void MbD::ASMTItem::createMbD(std::shared_ptr<System> mbdSys, std::shared_ptr<Units> mbdUnits)
 {
+	noop();
 	assert(false);
 }
 
diff --git a/OndselSolver/ASMTKinematicIJ.h b/OndselSolver/ASMTKinematicIJ.h
index d6871e7..1948e57 100644
--- a/OndselSolver/ASMTKinematicIJ.h
+++ b/OndselSolver/ASMTKinematicIJ.h
@@ -11,7 +11,7 @@
 #include "ASMTItemIJ.h"
 
 namespace MbD {
-    class ASMTKinematicIJ : public ASMTItemIJ
+    class EXPORT ASMTKinematicIJ : public ASMTItemIJ
     {
         //
     public: