diff --git a/gecode_solver.cpp b/gecode_solver.cpp
index 395b8ad2228c608619599b5e1f116aaa1bd0fe7e_Z2Vjb2RlX3NvbHZlci5jcHA=..0f967bf3a5de1a951aa9846c661621d60ab4493c_Z2Vjb2RlX3NvbHZlci5jcHA= 100644
--- a/gecode_solver.cpp
+++ b/gecode_solver.cpp
@@ -40,6 +40,11 @@
 #define convexHull convex
 #endif
 
+#if GE_VERSION >= PM_VERSION(4, 0, 0)
+#define INT_VAR_NONE INT_VAR_NONE()
+#define INT_VAL_MIN INT_VAL_MIN()
+#endif
+
 using namespace std;
 using namespace Gecode;