diff --git a/testssl.sh b/testssl.sh
index be6a3cc..0fb1b68 100755
--- a/testssl.sh
+++ b/testssl.sh
@@ -5244,7 +5244,7 @@ run_client_simulation() {
      local -i ret=0
      local jsonID="clientsimulation"
      local client_service=""
-     local appendfile=""
+     local append_fileout=""
 
      # source the external file
      . "$TESTSSL_INSTALL_DIR/etc/client-simulation.txt" 2>/dev/null
@@ -5442,31 +5442,31 @@ run_client_simulation() {
                          fi
                          if [[ "$DISPLAY_CIPHERNAMES" =~ openssl ]]; then
                               print_n_spaces "$((34-${#cipher}))"
-                              appendfile="$(print_n_spaces $((34-${#cipher})))"
+                              append_fileout="$(print_n_spaces $((34-${#cipher})))"
                          else
                               print_n_spaces "$((50-${#cipher}))"
-                              appendfile="$(print_n_spaces $((50-${#cipher})))"
+                              append_fileout="$(print_n_spaces $((50-${#cipher})))"
                          fi
                          if [[ -n "$what_dh" ]]; then
                               [[ -n "$curve" ]] && curve="($curve)"
                               if [[ "$what_dh" =~ MLKEM ]] || [[ "$what_dh" =~ Kyber ]]; then
                                    pr_kem_quality "$bits" "$(printf -- "%-12s" "$what_dh")"
-                                   appendfile+="$(printf -- "%-12s" "$what_dh")"
+                                   append_fileout+="$(printf -- "%-12s" "$what_dh")"
                               elif [[ "$what_dh" == ECDH ]]; then
                                    pr_ecdh_quality "$bits" "$(printf -- "%-12s" "$bits bit $what_dh") $curve"
-                                   appendfile+="$(printf -- "%-12s" "$bits bit $what_dh") $curve"
+                                   append_fileout+="$(printf -- "%-12s" "$bits bit $what_dh") $curve"
                               else
                                    pr_dh_quality "$bits" "$(printf -- "%-12s" "$bits bit $what_dh") $curve"
-                                   appendfile+="$(printf -- "%-12s" "$bits bit $what_dh") $curve"
+                                   append_fileout+="$(printf -- "%-12s" "$bits bit $what_dh") $curve"
                               fi
                          else
                               if "$HAS_DH_BITS" || { "$using_sockets" && [[ -n "${handshakebytes[i]}" ]]; }; then
                                    out "No FS"
-                                   appendfile+="no FS"
+                                   append_fileout+="no FS"
                               fi
                          fi
                          outln
-                         fileout "${jsonID}-${short[i]}" "INFO" "$proto $cipher $appendfile"
+                         fileout "${jsonID}-${short[i]}" "INFO" "$proto $cipher $append_fileout"
                          # Just one "finding" with all the data has space for improvements
                          debugme cat $TMPFILE
                     fi