diff --git a/examples/06_gevp.ipynb b/examples/06_gevp.ipynb
index 9bb9ed49..e969008c 100644
--- a/examples/06_gevp.ipynb
+++ b/examples/06_gevp.ipynb
@@ -168,9 +168,9 @@
     }
    ],
    "source": [
-    "vec = matrix_V1V1.GEVP(t0=3, ts=6 ,state=0, sorted_list=None)\n",
-    "assert len(vec) == matrix_V1V1.N\n",
-    "print(vec)"
+    "vecs = matrix_V1V1.GEVP(t0=3, ts=6, sort=None)\n",
+    "assert len(vecs[0]) == matrix_V1V1.N\n",
+    "print(vecs[0])"
    ]
   },
   {
@@ -202,7 +202,7 @@
     }
    ],
    "source": [
-    "matrix_V1V1.projected(vec).m_eff().show(comp=single_smearing.m_eff(), auto_gamma=True)"
+    "matrix_V1V1.projected(vecs[0]).m_eff().show(comp=single_smearing.m_eff(), auto_gamma=True)"
    ]
   },
   {
@@ -266,7 +266,7 @@
     "\n",
     "# We then solve the GEVP to get eigenvectors corresponding to the ground state.\n",
     "\n",
-    "vec_ground = matrix_VnVn.GEVP(t0=3, ts=6, state=0, sorted_list=None)\n",
+    "vec_ground = matrix_VnVn.GEVP(t0=3, ts=6, sort=None)[0]\n",
     "\n",
     "# Now we project the matrix-correlators to get new correlators belonging to the ground state.\n",
     "\n",