diff --git a/src/inital.F90 b/src/inital.F90
index 36d14818e3d51129094525272bf9442ef7ea8463..c7eaea5b0b178a377484305c272b467121602cec 100644
--- a/src/inital.F90
+++ b/src/inital.F90
@@ -68,7 +68,7 @@ SUBROUTINE init_moments
     END DO
 
   ELSE
-    sigma = 2._dp
+    sigma = 5._dp
     gain  = 0.5_dp
     !**** Gaussian initialization (Hakim 2017)
     moments_i = 0; moments_e = 0;