diff --git a/power_calcs.py b/power_calcs.py
index 2b0d67f..500279d 100644
--- a/power_calcs.py
+++ b/power_calcs.py
@@ -34,7 +34,7 @@ else:
 
 print(f"Voltage Drop (per ampere per metre): {drop}mV/A/m")
 
-assumed_load = int(sys.argv[2])
+assumed_load = float(sys.argv[2])
 length = int(sys.argv[3])
 
 total_drop = drop * assumed_load * length / 1000