diff --git a/code/m_parameters.f90 b/code/m_parameters.f90
index 7ec296b..c300213 100644
--- a/code/m_parameters.f90
+++ b/code/m_parameters.f90
@@ -4,6 +4,8 @@ module m_parameters
 
      integer :: nxp,nyp,nzp
 
+     real :: hxp,hyp,hzp
+
      real :: l_0
 
      integer :: startnum,endnum,skipnum,shiftnum
@@ -22,6 +24,8 @@ module m_parameters
 
      integer, allocatable :: omit_t(:,:)
 
+     real, parameter :: pi=3.14159265358979323846
+     real, parameter :: me=1.00e-20
 
 contains
 
@@ -109,6 +113,11 @@ subroutine read_intro
 
       prp=scp/lep
 
+!      hyp=l_0*pi/REAL(nyp)
+      hyp=l_0*pi/REAL(nyp-1)   ! kwon
+      hxp=hyp
+      hzp=hyp
+
       close (100)
       close (101)
 
diff --git a/code/post.f90 b/code/post.f90
index 526dcf6..df0e6b7 100644
--- a/code/post.f90
+++ b/code/post.f90
@@ -9,9 +9,6 @@
      INTEGER :: countnum
      INTEGER :: num_, dummyu_   ! hybrid
      REAL :: tnow
-     REAL :: hxp,hyp,hzp
-     REAL, PARAMETER :: pi=3.14159265358979323846
-     REAL, PARAMETER :: me=1.00e-20
      REAL, DIMENSION(:), ALLOCATABLE :: favg_ndata
      !REAL, DIMENSION(:,:), ALLOCATABLE :: SMF,SMC,FMS,KMS
      REAL, DIMENSION(:,:), ALLOCATABLE :: SMF,SMC
@@ -1580,10 +1577,6 @@
        !ALLOCATE(IRE9(14,nxp),STAT=ierr)             ; IRE9=0.
 
 
-!       hyp=l_0*pi/REAL(nyp)
-       hyp=l_0*pi/REAL(nyp-1)   ! kwon
-       hxp=hyp; hzp=hyp
-
        WRITE(*,'(a6,i3,a8,i3,a8,i3)') '  NX = ',nxp,' / NY = ',nyp,' / NZ = ',nzp
        WRITE(*,*) ' Preparing memory space for COMPACT SCHEME'
        CALL ludcmp(nxp,nyp,nzp,1,0,0)      ! 1,1,0