diff --git a/lib/xmet/thermo.py b/lib/xmet/thermo.py
index 0dac249..5f72b54 100644
--- a/lib/xmet/thermo.py
+++ b/lib/xmet/thermo.py
@@ -99,7 +99,7 @@ def moist_lapse_rate(temp: float, pressure: float) -> float:
     T   = kelvin(temp)
 
     return g * (1 + (Hv * r) / (Rsd * T)) \
-             / (Cpd + (((Hv**2) * r) / (Rsw * (T**2))))
+         / (Cpd + (((Hv**2) * r) / (Rsw * (T**2))))
 
 def loft_parcel(start_temp: float,
                 start_pressure: float,