diff --git a/src/App/Services.cpp b/src/App/Services.cpp
index ae70735441..db3ae3d57e 100644
--- a/src/App/Services.cpp
+++ b/src/App/Services.cpp
@@ -21,6 +21,8 @@
  *                                                                          *
  ***************************************************************************/
 
+#include "PreCompiled.h"
+
 #include "Services.h"
 
 std::optional<Base::Vector3d>
diff --git a/src/Mod/Part/App/Services.cpp b/src/Mod/Part/App/Services.cpp
index 65eac11cdb..1c5446564f 100644
--- a/src/Mod/Part/App/Services.cpp
+++ b/src/Mod/Part/App/Services.cpp
@@ -21,6 +21,8 @@
  *                                                                          *
  ***************************************************************************/
 
+#include "PreCompiled.h"
+
 #include "Services.h"
 
 AttacherSubObjectPlacement::AttacherSubObjectPlacement()