diff --git a/src/NETGENPlugin/NETGENPlugin_Mesher.cxx b/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
index 8319fbf..86faebd 100644
--- a/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
+++ b/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
@@ -41,6 +41,7 @@
 #include <utilities.h>
 
 #include <vector>
+#include <limits>
 
 #include <BRep_Tool.hxx>
 #include <TopExp.hxx>
diff --git a/src/NETGENPlugin/NETGENPlugin_NETGEN_2D_ONLY.cxx b/src/NETGENPlugin/NETGENPlugin_NETGEN_2D_ONLY.cxx
index ca038c3..4c223fc 100644
--- a/src/NETGENPlugin/NETGENPlugin_NETGEN_2D_ONLY.cxx
+++ b/src/NETGENPlugin/NETGENPlugin_NETGEN_2D_ONLY.cxx
@@ -47,6 +47,7 @@
 
 #include <list>
 #include <vector>
+#include <limits>
 
 /*
   Netgen include files