diff --git a/run.py b/run.py
index d09753e..238a88a 100644
--- a/run.py
+++ b/run.py
@@ -33,6 +33,7 @@ def run(show_plots=False):
                 solver.plot_solution()
 
         if instance.exist_opt:
+            print(instance.optimal_tour)
             solver.solution = np.concatenate([instance.optimal_tour, [instance.optimal_tour[0]]])
             solver.method = "optimal"
             solver.plot_solution()
diff --git a/src/io_tsp.py b/src/io_tsp.py
index 6ab9477..26f19d5 100644
--- a/src/io_tsp.py
+++ b/src/io_tsp.py
@@ -48,7 +48,7 @@ class Instance:
             self.optimal_tour = np.zeros(self.nPoints)
             for i in range(self.nPoints):
                 line_i = lines[5 + i].split(' ')
-                self.optimal_tour[0] = int(line_i[0]) - 1
+                self.optimal_tour[i] = int(line_i[0]) - 1
 
     def print_info(self):
         print('name: ' + self.name)