diff --git a/src/dns.in b/src/dns.in
index 2e0cee31..b714ca3e 100644
--- a/src/dns.in
+++ b/src/dns.in
@@ -2,7 +2,7 @@
 3. 1.5 1.                ! lx, ly, lz
 1.                       ! gr
 .95 1.0e5                ! cfl, dtmin
-1. 1. 1000.              ! uref, lref, rey
+1000.                    ! visci
 poi                      ! inivel
 T                        ! is_wallturb
 100000 100. 0.1          ! nstep,time_max,tw_max