diff --git a/WENO.F90 b/WENO.F90
index 1f66c0bab42f42052e0cf83438613218b830bd31..f0009abfa25c239c52b6c67ccef2bcc6befc7e85 100644
--- a/WENO.F90
+++ b/WENO.F90
@@ -449,7 +449,9 @@ subroutine lax_wavespeeds(nvars, lambda_pointwise, lambda_roe, wavespeeds)
   integer v
   integer k
 
-  kappa = 1.1d0
+  !kappa = 1.1d0
+  kappa = 11
+  kappa = kappa/10
 
   do v=1,nvars
     wavespeeds(v) = abs(lambda_roe(v))