diff --git a/openacc/impl/psb_c_oacc_ell_vect_mv.F90 b/openacc/impl/psb_c_oacc_ell_vect_mv.F90
index e65d00ba..f3e78d98 100644
--- a/openacc/impl/psb_c_oacc_ell_vect_mv.F90
+++ b/openacc/impl/psb_c_oacc_ell_vect_mv.F90
@@ -10,13 +10,13 @@ contains
     integer(psb_ipk_), intent(out)    :: info
     character, optional, intent(in)   :: trans
 
-    integer(psb_ipk_) :: m, n, nzt
+    integer(psb_ipk_) :: m, n, nzt, nc
 
     info = psb_success_
     m = a%get_nrows()
     n = a%get_ncols()
     nzt = a%nzt
-
+    nc = size(a%ja,2)
     if ((n /= size(x%v)) .or. (m /= size(y%v))) then
       write(0,*) 'Size error ', m, n, size(x%v), size(y%v)
       info = psb_err_invalid_mat_state_
@@ -27,14 +27,15 @@ contains
     if (x%is_host()) call x%sync()
     if (y%is_host()) call y%sync()
 
-    call inner_spmv(m, n, nzt, alpha, a%val, a%ja, x%v, beta, y%v, info)
+    call inner_spmv(m, n, nc, alpha, a%val, a%ja, x%v, beta, y%v, info)
+
     call y%set_dev()
 
   contains
 
-    subroutine inner_spmv(m, n, nzt, alpha, val, ja, x, beta, y, info)
+    subroutine inner_spmv(m, n, nc, alpha, val, ja, x, beta, y, info)
       implicit none
-      integer(psb_ipk_) :: m, n, nzt
+      integer(psb_ipk_) :: m, n, nc
       complex(psb_spk_), intent(in) :: alpha, beta
       complex(psb_spk_) :: val(:,:), x(:), y(:)
       integer(psb_ipk_) :: ja(:,:)
@@ -52,7 +53,7 @@ contains
         do i = ii, ii + isz - 1
           tmp = 0.0_psb_dpk_
           !$acc loop seq
-          do j = 1, nzt
+          do j = 1, nc 
             if (ja(i,j) > 0) then
               tmp = tmp + val(i,j) * x(ja(i,j))
             end if
diff --git a/openacc/impl/psb_d_oacc_ell_vect_mv.F90 b/openacc/impl/psb_d_oacc_ell_vect_mv.F90
index ebcdb405..4239d049 100644
--- a/openacc/impl/psb_d_oacc_ell_vect_mv.F90
+++ b/openacc/impl/psb_d_oacc_ell_vect_mv.F90
@@ -10,13 +10,13 @@ contains
     integer(psb_ipk_), intent(out)    :: info
     character, optional, intent(in)   :: trans
 
-    integer(psb_ipk_) :: m, n, nzt
+    integer(psb_ipk_) :: m, n, nzt, nc
 
     info = psb_success_
     m = a%get_nrows()
     n = a%get_ncols()
     nzt = a%nzt
-
+    nc = size(a%ja,2)
     if ((n /= size(x%v)) .or. (m /= size(y%v))) then
       write(0,*) 'Size error ', m, n, size(x%v), size(y%v)
       info = psb_err_invalid_mat_state_
@@ -27,14 +27,15 @@ contains
     if (x%is_host()) call x%sync()
     if (y%is_host()) call y%sync()
 
-    call inner_spmv(m, n, nzt, alpha, a%val, a%ja, x%v, beta, y%v, info)
+    call inner_spmv(m, n, nc, alpha, a%val, a%ja, x%v, beta, y%v, info)
+
     call y%set_dev()
 
   contains
 
-    subroutine inner_spmv(m, n, nzt, alpha, val, ja, x, beta, y, info)
+    subroutine inner_spmv(m, n, nc, alpha, val, ja, x, beta, y, info)
       implicit none
-      integer(psb_ipk_) :: m, n, nzt
+      integer(psb_ipk_) :: m, n, nc
       real(psb_dpk_), intent(in) :: alpha, beta
       real(psb_dpk_) :: val(:,:), x(:), y(:)
       integer(psb_ipk_) :: ja(:,:)
@@ -52,7 +53,7 @@ contains
         do i = ii, ii + isz - 1
           tmp = 0.0_psb_dpk_
           !$acc loop seq
-          do j = 1, nzt
+          do j = 1, nc 
             if (ja(i,j) > 0) then
               tmp = tmp + val(i,j) * x(ja(i,j))
             end if
diff --git a/openacc/impl/psb_s_oacc_ell_vect_mv.F90 b/openacc/impl/psb_s_oacc_ell_vect_mv.F90
index f48ba041..bbbdd6a3 100644
--- a/openacc/impl/psb_s_oacc_ell_vect_mv.F90
+++ b/openacc/impl/psb_s_oacc_ell_vect_mv.F90
@@ -10,13 +10,13 @@ contains
     integer(psb_ipk_), intent(out)    :: info
     character, optional, intent(in)   :: trans
 
-    integer(psb_ipk_) :: m, n, nzt
+    integer(psb_ipk_) :: m, n, nzt, nc
 
     info = psb_success_
     m = a%get_nrows()
     n = a%get_ncols()
     nzt = a%nzt
-
+    nc = size(a%ja,2)
     if ((n /= size(x%v)) .or. (m /= size(y%v))) then
       write(0,*) 'Size error ', m, n, size(x%v), size(y%v)
       info = psb_err_invalid_mat_state_
@@ -27,14 +27,15 @@ contains
     if (x%is_host()) call x%sync()
     if (y%is_host()) call y%sync()
 
-    call inner_spmv(m, n, nzt, alpha, a%val, a%ja, x%v, beta, y%v, info)
+    call inner_spmv(m, n, nc, alpha, a%val, a%ja, x%v, beta, y%v, info)
+
     call y%set_dev()
 
   contains
 
-    subroutine inner_spmv(m, n, nzt, alpha, val, ja, x, beta, y, info)
+    subroutine inner_spmv(m, n, nc, alpha, val, ja, x, beta, y, info)
       implicit none
-      integer(psb_ipk_) :: m, n, nzt
+      integer(psb_ipk_) :: m, n, nc
       real(psb_spk_), intent(in) :: alpha, beta
       real(psb_spk_) :: val(:,:), x(:), y(:)
       integer(psb_ipk_) :: ja(:,:)
@@ -52,7 +53,7 @@ contains
         do i = ii, ii + isz - 1
           tmp = 0.0_psb_dpk_
           !$acc loop seq
-          do j = 1, nzt
+          do j = 1, nc 
             if (ja(i,j) > 0) then
               tmp = tmp + val(i,j) * x(ja(i,j))
             end if
diff --git a/openacc/impl/psb_z_oacc_ell_vect_mv.F90 b/openacc/impl/psb_z_oacc_ell_vect_mv.F90
index ecb61adf..ad8460b8 100644
--- a/openacc/impl/psb_z_oacc_ell_vect_mv.F90
+++ b/openacc/impl/psb_z_oacc_ell_vect_mv.F90
@@ -10,13 +10,13 @@ contains
     integer(psb_ipk_), intent(out)    :: info
     character, optional, intent(in)   :: trans
 
-    integer(psb_ipk_) :: m, n, nzt
+    integer(psb_ipk_) :: m, n, nzt, nc
 
     info = psb_success_
     m = a%get_nrows()
     n = a%get_ncols()
     nzt = a%nzt
-
+    nc = size(a%ja,2)
     if ((n /= size(x%v)) .or. (m /= size(y%v))) then
       write(0,*) 'Size error ', m, n, size(x%v), size(y%v)
       info = psb_err_invalid_mat_state_
@@ -27,14 +27,15 @@ contains
     if (x%is_host()) call x%sync()
     if (y%is_host()) call y%sync()
 
-    call inner_spmv(m, n, nzt, alpha, a%val, a%ja, x%v, beta, y%v, info)
+    call inner_spmv(m, n, nc, alpha, a%val, a%ja, x%v, beta, y%v, info)
+
     call y%set_dev()
 
   contains
 
-    subroutine inner_spmv(m, n, nzt, alpha, val, ja, x, beta, y, info)
+    subroutine inner_spmv(m, n, nc, alpha, val, ja, x, beta, y, info)
       implicit none
-      integer(psb_ipk_) :: m, n, nzt
+      integer(psb_ipk_) :: m, n, nc
       complex(psb_dpk_), intent(in) :: alpha, beta
       complex(psb_dpk_) :: val(:,:), x(:), y(:)
       integer(psb_ipk_) :: ja(:,:)
@@ -52,7 +53,7 @@ contains
         do i = ii, ii + isz - 1
           tmp = 0.0_psb_dpk_
           !$acc loop seq
-          do j = 1, nzt
+          do j = 1, nc 
             if (ja(i,j) > 0) then
               tmp = tmp + val(i,j) * x(ja(i,j))
             end if