diff --git a/floris/tools/convert_turbine_v3_to_v4.py b/floris/tools/convert_turbine_v3_to_v4.py
index 382074a47..7203e3379 100644
--- a/floris/tools/convert_turbine_v3_to_v4.py
+++ b/floris/tools/convert_turbine_v3_to_v4.py
@@ -26,7 +26,7 @@
 import sys
 from pathlib import Path
 
-from floris.simulation.turbine import build_cosine_loss_turbine_dict, check_smooth_power_curve
+from floris.turbine_library import build_cosine_loss_turbine_dict, check_smooth_power_curve
 from floris.utilities import load_yaml