diff --git a/src/Mod/Fem/App/FemMesh.cpp b/src/Mod/Fem/App/FemMesh.cpp
index 6fbed27681..b1ef37f0d3 100644
--- a/src/Mod/Fem/App/FemMesh.cpp
+++ b/src/Mod/Fem/App/FemMesh.cpp
@@ -26,6 +26,7 @@
 #ifndef _PreComp_
 # include <cstdlib>
 # include <memory>
+# include <Python.h>
 # include <Bnd_Box.hxx>
 # include <BRep_Tool.hxx>
 # include <BRepBndLib.hxx>
diff --git a/src/Mod/Fem/App/FemMeshPyImp.cpp b/src/Mod/Fem/App/FemMeshPyImp.cpp
index 5334c3dad4..bc9c592d5e 100644
--- a/src/Mod/Fem/App/FemMeshPyImp.cpp
+++ b/src/Mod/Fem/App/FemMeshPyImp.cpp
@@ -24,6 +24,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <Python.h>
 # include <algorithm>
 # include <stdexcept>
 # include <SMESH_Gen.hxx>
diff --git a/src/Mod/Fem/App/FemMeshShapeNetgenObject.cpp b/src/Mod/Fem/App/FemMeshShapeNetgenObject.cpp
index 284cd9b552..30a43777be 100644
--- a/src/Mod/Fem/App/FemMeshShapeNetgenObject.cpp
+++ b/src/Mod/Fem/App/FemMeshShapeNetgenObject.cpp
@@ -24,6 +24,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <Python.h>
 # include <SMESH_Gen.hxx>
 # include <SMESHDS_Mesh.hxx>
 # include <SMESH_Mesh.hxx>
diff --git a/src/Mod/Fem/App/FemMeshShapeObject.cpp b/src/Mod/Fem/App/FemMeshShapeObject.cpp
index 9f0b43ad8d..ff2042d9d4 100644
--- a/src/Mod/Fem/App/FemMeshShapeObject.cpp
+++ b/src/Mod/Fem/App/FemMeshShapeObject.cpp
@@ -24,6 +24,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <Python.h>
 # include <SMESH_Gen.hxx>
 # include <SMESH_Mesh.hxx>
 # include <SMDS_PolyhedralVolumeOfNodes.hxx>
diff --git a/src/Mod/Fem/App/FemPostFilter.cpp b/src/Mod/Fem/App/FemPostFilter.cpp
index 9de9b88d4f..805b197316 100644
--- a/src/Mod/Fem/App/FemPostFilter.cpp
+++ b/src/Mod/Fem/App/FemPostFilter.cpp
@@ -24,6 +24,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <Python.h>
 # include <vtkFieldData.h>
 # include <vtkPointData.h>
 #endif
diff --git a/src/Mod/Fem/App/FemPostObject.cpp b/src/Mod/Fem/App/FemPostObject.cpp
index 02b9abf026..9bed55c3b6 100644
--- a/src/Mod/Fem/App/FemPostObject.cpp
+++ b/src/Mod/Fem/App/FemPostObject.cpp
@@ -24,6 +24,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <Python.h>
 # include <vtkPointData.h>
 # include <vtkCellData.h>
 #endif
diff --git a/src/Mod/Fem/App/FemPostPipeline.cpp b/src/Mod/Fem/App/FemPostPipeline.cpp
index 7b395b2a46..ee9efb5eb2 100644
--- a/src/Mod/Fem/App/FemPostPipeline.cpp
+++ b/src/Mod/Fem/App/FemPostPipeline.cpp
@@ -24,6 +24,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <Python.h>
 # include <SMESH_Mesh.hxx>
 # include <vtkDataSetReader.h>
 # include <vtkGeometryFilter.h>
diff --git a/src/Mod/Fem/App/FemVTKTools.cpp b/src/Mod/Fem/App/FemVTKTools.cpp
index dd6757f949..63f7f3a028 100644
--- a/src/Mod/Fem/App/FemVTKTools.cpp
+++ b/src/Mod/Fem/App/FemVTKTools.cpp
@@ -25,6 +25,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <Python.h>
 # include <cstdlib>
 # include <memory>
 # include <cmath>
diff --git a/src/Mod/Fem/App/PropertyPostDataObject.cpp b/src/Mod/Fem/App/PropertyPostDataObject.cpp
index 128ba86d92..03daadb2ea 100644
--- a/src/Mod/Fem/App/PropertyPostDataObject.cpp
+++ b/src/Mod/Fem/App/PropertyPostDataObject.cpp
@@ -24,6 +24,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <Python.h>
 # include <vtkPolyData.h>
 # include <vtkStructuredGrid.h>
 # include <vtkRectilinearGrid.h>