diff --git a/base/modules/psb_spmat_type.f90 b/base/modules/psb_spmat_type.f90
index d53c870c..69b50f46 100644
--- a/base/modules/psb_spmat_type.f90
+++ b/base/modules/psb_spmat_type.f90
@@ -751,6 +751,11 @@ contains
       ia  = nza
       i1  = nza
       i2  = a%m + 1
+    case('csc')
+      nza = a%ia2(a%k+1)-1
+      ia  = nza
+      i1  = nza
+      i2  = a%k + 1
     case('coo','coi')
       nza = a%infoa(psb_nnz_)
       i1  = nza
@@ -1238,6 +1243,11 @@ contains
       ia  = nza
       i1  = nza
       i2  = a%m + 1
+    case('csc')
+      nza = a%ia2(a%k+1)-1
+      ia  = nza
+      i1  = nza
+      i2  = a%k + 1
     case('coo','coi')
       nza = a%infoa(psb_nnz_)
       i1  = nza
diff --git a/base/serial/psb_dipcoo2csc.f90 b/base/serial/psb_dipcoo2csc.f90
index 2b433558..f72be4ad 100644
--- a/base/serial/psb_dipcoo2csc.f90
+++ b/base/serial/psb_dipcoo2csc.f90
@@ -76,9 +76,11 @@ subroutine psb_dipcoo2csc(a,info,clshr)
   end if
 
   call psb_fixcoo(a,info,idir=1)
-  nc  = a%k
-  nza = a%infoa(psb_nnz_)
-  allocate(iaux(max(nc+1,1)),stat=info)
+  if (info == 0) then 
+    nc  = a%k
+    nza = a%infoa(psb_nnz_)
+    allocate(iaux(max(nc+1,1)),stat=info)
+  end if
   if (info /= 0) then 
     info=4025
     call psb_errpush(info,name,a_err='integer',i_err=(/max(nc+1,1),0,0,0,0/))
@@ -88,7 +90,12 @@ subroutine psb_dipcoo2csc(a,info,clshr)
        & ': out of fixcoo',nza,nc,size(a%ia2),size(iaux)
 
   call psb_transfer(a%ia2,itemp,info)
-  call psb_transfer(iaux,a%ia2,info)
+  if (info == 0) call psb_transfer(iaux,a%ia2,info)
+  if (info /= 0) then 
+    info=4010
+    call psb_errpush(info,name,a_err='psb_transfer')
+    goto 9999      
+  end if
 
   !
   ! This routine can be used in two modes:
diff --git a/base/serial/psb_zipcoo2csc.f90 b/base/serial/psb_zipcoo2csc.f90
index 8e199ef2..1f8ba03b 100644
--- a/base/serial/psb_zipcoo2csc.f90
+++ b/base/serial/psb_zipcoo2csc.f90
@@ -76,9 +76,11 @@ subroutine psb_zipcoo2csc(a,info,clshr)
   end if
 
   call psb_fixcoo(a,info,idir=1)
-  nc  = a%k
-  nza = a%infoa(psb_nnz_)
-  allocate(iaux(max(nc+1,1)),stat=info)
+  if (info == 0) then 
+    nc  = a%k
+    nza = a%infoa(psb_nnz_)
+    allocate(iaux(max(nc+1,1)),stat=info)
+  end if
   if (info /= 0) then 
     info=4025
     call psb_errpush(info,name,a_err='integer',i_err=(/max(nc+1,1),0,0,0,0/))
@@ -88,7 +90,12 @@ subroutine psb_zipcoo2csc(a,info,clshr)
        & ': out of fixcoo',nza,nc,size(a%ia2),size(iaux)
 
   call psb_transfer(a%ia2,itemp,info)
-  call psb_transfer(iaux,a%ia2,info)
+  if (info == 0) call psb_transfer(iaux,a%ia2,info)
+  if (info /= 0) then 
+    info=4010
+    call psb_errpush(info,name,a_err='psb_transfer')
+    goto 9999      
+  end if
 
   !
   ! This routine can be used in two modes: