diff --git a/src/ModelTree.cc b/src/ModelTree.cc
index 9b154e2d..d7fe7e97 100644
--- a/src/ModelTree.cc
+++ b/src/ModelTree.cc
@@ -2050,7 +2050,7 @@ ModelTree::compileMEX(const string &basename, const string &funcname, const stri
               exit(EXIT_FAILURE);
             }
 #endif
-          flags << " -fno-common -mmacosx-version-min=10.9 -Wl,-twolevel_namespace -undefined error -bundle";
+          flags << " -fno-common -Wl,-twolevel_namespace -undefined error -bundle";
           libs += " -lm -lstdc++";
         }
     }