# Changing the objective sense

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## Changing the objective sense

As we just noted, the default sense for the objective function is minimization. Since our example aims to maximize the objective, we need to modify the ModelSense attribute:

  /* Change objective sense to maximization */

error = GRBsetintattr(model, GRB_INT_ATTR_MODELSENSE, GRB_MAXIMIZE);
if (error) goto QUIT;