diff --git a/Optimal_transportation_reconstruction_2/include/CGAL/OTR_2/Reconstruction_triangulation_2.h b/Optimal_transportation_reconstruction_2/include/CGAL/OTR_2/Reconstruction_triangulation_2.h
index f7650af69dc..8c3a34bdbce 100644
--- a/Optimal_transportation_reconstruction_2/include/CGAL/OTR_2/Reconstruction_triangulation_2.h
+++ b/Optimal_transportation_reconstruction_2/include/CGAL/OTR_2/Reconstruction_triangulation_2.h
@@ -49,7 +49,7 @@
 #include <iostream>
 #include <limits>
 
-#define EPS   1e-15
+#define CGAL_EPS   1e-15
 
 namespace CGAL {
 namespace OTR_2 {
@@ -1034,7 +1034,7 @@ public:
         return false;
       }
 
-      if ((std::max)(Dac, Dbd) + EPS < Dbc)
+      if ((std::max)(Dac, Dbd) + CGAL_EPS < Dbc)
       {
 			/*
         std::cerr.precision(10);
@@ -1079,4 +1079,6 @@ public:
 
 } } //namespace CGAL
 
+#undef CGAL_EPS
+
 #endif // CGAL_RECONSTRUCTION_TRIANGULATION_2_H