diff --git a/src/cosp.F90 b/src/cosp.F90
index bdbf01a064..c94aaf3fc0 100644
--- a/src/cosp.F90
+++ b/src/cosp.F90
@@ -708,7 +708,7 @@ function COSP_SIMULATOR(cospIN,cospgridIN,cospOUT,start_idx,stop_idx,debug)
        enddo
        ! Store output (if requested)
        if (associated(cospOUT%cloudsat_Ze_tot)) then
-          cospOUT%cloudsat_Ze_tot(ij:ik,:,:) = cloudsatDBZe(:,:,cloudsatIN%Nlevels:1:-1)
+          cospOUT%cloudsat_Ze_tot(ij:ik,:,:) = cloudsatDBZe(:,:,1:cloudsatIN%Nlevels)
        endif
     endif