diff --git a/src/Mod/Part/Gui/ViewProviderAttachExtension.cpp b/src/Mod/Part/Gui/ViewProviderAttachExtension.cpp
index bbedb010cb..1667d3a2cf 100644
--- a/src/Mod/Part/Gui/ViewProviderAttachExtension.cpp
+++ b/src/Mod/Part/Gui/ViewProviderAttachExtension.cpp
@@ -24,6 +24,10 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# ifdef _MSC_VER
+#  define _USE_MATH_DEFINES
+#  include <cmath>
+# endif //_MSC_VER
 #endif
 
 #include "ViewProviderAttachExtension.h"