diff --git a/examples/Basic_Simulation/initial_conditions.py b/examples/Basic_Simulation/initial_conditions.py
index f12bf6e07..1edc13879 100644
--- a/examples/Basic_Simulation/initial_conditions.py
+++ b/examples/Basic_Simulation/initial_conditions.py
@@ -65,7 +65,7 @@
 # Add 10 user-defined test particles
 ntp = 10
 
-name_tp     = np.array(["TestParticle_01", "TestParticle_02", "TestParticle_03", "TestParticle_04", "TestParticle_05", "TestParticle_06", "TestParticle_07", "TestParticle_08", "TestParticle_09", "TestParticle_10"])
+name_tp     = ["TestParticle_01", "TestParticle_02", "TestParticle_03", "TestParticle_04", "TestParticle_05", "TestParticle_06", "TestParticle_07", "TestParticle_08", "TestParticle_09", "TestParticle_10"]
 a_tp        = default_rng().uniform(0.3, 1.5, ntp)
 e_tp        = default_rng().uniform(0.0, 0.3, ntp)
 inc_tp      = default_rng().uniform(0.0, 90, ntp)