diff --git a/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_Mesher.cpp b/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_Mesher.cpp
index d9d4b3d73e..d11d63ddb4 100644
--- a/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_Mesher.cpp
+++ b/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_Mesher.cpp
@@ -83,6 +83,10 @@ namespace nglib {
 # pragma clang diagnostic ignored "-Wmacro-redefined"
 #endif
 
+#ifdef NETGEN_PYTHON
+#undef NETGEN_PYTHON
+#endif
+
 #include <occgeom.hpp>
 #include <meshing.hpp>
 //#include <ngexception.hpp>
diff --git a/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_2D.cpp b/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_2D.cpp
index 050e0da956..ebd033112c 100644
--- a/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_2D.cpp
+++ b/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_2D.cpp
@@ -51,6 +51,10 @@ namespace nglib {
 # pragma clang diagnostic ignored "-Wmacro-redefined"
 #endif
 
+#ifdef NETGEN_PYTHON
+#undef NETGEN_PYTHON
+#endif
+
 #include <meshing.hpp>
 
 #if defined(__clang__)
diff --git a/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_2D3D.cpp b/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_2D3D.cpp
index eb15ca18d2..a86bf1882c 100644
--- a/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_2D3D.cpp
+++ b/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_2D3D.cpp
@@ -50,6 +50,10 @@ namespace nglib {
 # pragma clang diagnostic ignored "-Wmacro-redefined"
 #endif
 
+#ifdef NETGEN_PYTHON
+#undef NETGEN_PYTHON
+#endif
+
 #include <meshing.hpp>
 
 #if defined(__clang__)
diff --git a/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_2D_ONLY.cpp b/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_2D_ONLY.cpp
index ef44814fd1..0810dd962b 100644
--- a/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_2D_ONLY.cpp
+++ b/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_2D_ONLY.cpp
@@ -68,6 +68,10 @@ namespace nglib {
 # pragma clang diagnostic ignored "-Wmacro-redefined"
 #endif
 
+#ifdef NETGEN_PYTHON
+#undef NETGEN_PYTHON
+#endif
+
 #include <occgeom.hpp>
 #include <meshing.hpp>
 //#include <meshing/meshtype.hpp>
diff --git a/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_3D.cpp b/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_3D.cpp
index a3a3de9404..aff7e74df1 100644
--- a/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_3D.cpp
+++ b/src/3rdParty/salomesmesh/src/NETGENPlugin/NETGENPlugin_NETGEN_3D.cpp
@@ -77,6 +77,10 @@
 # pragma clang diagnostic ignored "-Wmacro-redefined"
 #endif
 
+#ifdef NETGEN_PYTHON
+#undef NETGEN_PYTHON
+#endif
+
 #include <occgeom.hpp>
 
 #if defined(__clang__)