diff --git a/src/collision_mod.F90 b/src/collision_mod.F90
index 2d2c5186e0422856c90814b2cdd076979439a40a..bc80eb8012ec8d9d7844f44302029a434d0481c8 100644
--- a/src/collision_mod.F90
+++ b/src/collision_mod.F90
@@ -579,7 +579,7 @@ CONTAINS
       !! Some terminal info
       SELECT CASE (collision_model)
       CASE ('SG')
-        WRITE(*,*) '=== Load Sugama matrix ==='
+        IF (my_id .EQ. 0)  WRITE(*,*) '=== Load Sugama matrix ==='
       CASE ('LR')
         IF (my_id .EQ. 0) WRITE(*,*) '=== Load Lorentz matrix ==='
       CASE ('LD')