diff --git a/plugins/colorschemes/gruvbox-material.nix b/plugins/colorschemes/gruvbox-material.nix
index b304c36c..847c69f6 100644
--- a/plugins/colorschemes/gruvbox-material.nix
+++ b/plugins/colorschemes/gruvbox-material.nix
@@ -1,4 +1,4 @@
-{ lib, ... }:
+{ lib, config, ... }:
 lib.nixvim.plugins.mkVimPlugin {
   name = "gruvbox-material";
   isColorscheme = true;
@@ -19,4 +19,15 @@ lib.nixvim.plugins.mkVimPlugin {
     };
     show_eob = 0;
   };
+
+  extraConfig = cfg: {
+    warnings = lib.nixvim.mkWarnings "colorschemes.gruvbox-material" {
+      when = (cfg.settings.better_performance or 0 == 1) && !config.impureRtp;
+      message = ''
+        You have enabled 'better_performance', but the top-level option 'impureRtp' is false.
+        The performance option generates syntax files at runtime that cannot be accessed with impureRtp disabled.
+        This breaks the plugin. Either disable 'better_performance' or enable 'impureRtp'.
+      '';
+    };
+  };
 }