diff --git a/model_data/simulation_system/training.py b/model_data/simulation_system/training.py
index 0656b427..2050bda0 100644
--- a/model_data/simulation_system/training.py
+++ b/model_data/simulation_system/training.py
@@ -127,7 +127,7 @@ def training(
     logger.info("--- Optimising model for deployment ---")
 
     deployment_model_path = model.optimise_model_for_deployment(deployment_path= output_base / DEPLOYMENT_FOLDER)
-    logger.info("Optimised version of best model can be found at: {deployment_model_path}")
+    logger.info(f"Optimised version of best model can be found at: {deployment_model_path}")
 
     # TODO: Need a model registry - for now have this as a CSV
     # Save this in the model directory