diff --git a/plugins/by-name/neotest/settings-options.nix b/plugins/by-name/neotest/settings-options.nix
index bb9bab43..609eb259 100644
--- a/plugins/by-name/neotest/settings-options.nix
+++ b/plugins/by-name/neotest/settings-options.nix
@@ -180,7 +180,7 @@ in
   quickfix = {
     enabled = defaultNullOpts.mkBool true "Enable quickfix.";
 
-    open = defaultNullOpts.mkNullable (with types; either bool str) false ''
+    open = defaultNullOpts.mkNullableWithRaw (with types; either bool str) false ''
       Set to true to open quickfix on startup, or a function to be called when the quickfix
       results are set.
     '';
diff --git a/tests/test-sources/plugins/by-name/neotest/quickfix_open_raw.nix b/tests/test-sources/plugins/by-name/neotest/quickfix_open_raw.nix
new file mode 100644
index 00000000..56940267
--- /dev/null
+++ b/tests/test-sources/plugins/by-name/neotest/quickfix_open_raw.nix
@@ -0,0 +1,12 @@
+{
+  example = {
+    plugins.neotest = {
+      settings = {
+        quickfix.open.__raw = ''
+          function()
+          end
+        '';
+      };
+    };
+  };
+}