diff --git a/src/Mod/Mesh/App/Core/Approximation.cpp b/src/Mod/Mesh/App/Core/Approximation.cpp
index ee37c0b2a1..2004e96389 100644
--- a/src/Mod/Mesh/App/Core/Approximation.cpp
+++ b/src/Mod/Mesh/App/Core/Approximation.cpp
@@ -26,6 +26,7 @@
 #ifndef _PreComp_
 # include <algorithm>
 # include <cstdlib>
+# include <iterator> 
 #endif
 
 #include "Approximation.h"