diff --git a/skais/ais/ais_trajectory.py b/skais/ais/ais_trajectory.py
index 157e2f0a424ff0584b541da7749a89787afc7016..b42f7db50cee71e56fa3a5b26255307ca63413ba 100644
--- a/skais/ais/ais_trajectory.py
+++ b/skais/ais/ais_trajectory.py
@@ -29,7 +29,7 @@ def compute_trajectory(times, time_gap, size_limit):
     return i
 
 
-#@jit(nopython=True)
+@jit(nopython=True)
 def compute_std(dat, radius):
     stds = np.empty(dat.shape[0])