diff --git a/numd/commands.nu b/numd/commands.nu
index 472e858..e1fdd44 100644
--- a/numd/commands.nu
+++ b/numd/commands.nu
@@ -477,15 +477,17 @@ export def execute-intermediate-script [
 ]: nothing -> string {
     let args = if $use_host_config {
         [
-            ...(if ($nu.env-path | path exists) { [--env-config $nu.env-path] } else { [] })
-            ...(if ($nu.config-path | path exists) { [--config $nu.config-path] } else { [] })
-            ...(if ($nu.plugin-path | path exists) { [--plugin-config $nu.plugin-path] } else { [] })
+            [--env-config $nu.env-path]
+            [--config $nu.config-path]
+            [--plugin-config $nu.plugin-path]
         ]
+        | where {|i| $i.1 | path exists }
+        | flatten
     } else {
         [-n]
     }
 
-    (^$nu.current-exe ...$args $intermed_script_path)
+    ^$nu.current-exe ...$args $intermed_script_path
     | if $print_block_results { tee { print } } else { }
     | complete
     | if $in.exit_code == 0 {
diff --git a/z_examples/2_numd_commands_explanations/numd_commands_explanations.md b/z_examples/2_numd_commands_explanations/numd_commands_explanations.md
index 1d7bdaa..e5ba54c 100644
--- a/z_examples/2_numd_commands_explanations/numd_commands_explanations.md
+++ b/z_examples/2_numd_commands_explanations/numd_commands_explanations.md
@@ -221,8 +221,8 @@ compute-change-stats $file $md_orig $md_res
 # => │ filename         │ simple_markdown.md │
 # => │ nushell_blocks   │ 3                  │
 # => │ levenshtein_dist │ 248                │
-# => │ diff_lines       │ --12 (-33.3%)      │
-# => │ diff_words       │ --24 (-30.8%)      │
-# => │ diff_chars       │ --163 (-32.5%)     │
+# => │ diff_lines       │ -12 (-33.3%)       │
+# => │ diff_words       │ -24 (-30.8%)       │
+# => │ diff_chars       │ -163 (-32.5%)      │
 # => ╰──────────────────┴────────────────────╯
 ```