diff --git a/plugins/utils/neorg.nix b/plugins/utils/neorg.nix
index 997eafa6..233f8994 100644
--- a/plugins/utils/neorg.nix
+++ b/plugins/utils/neorg.nix
@@ -129,7 +129,7 @@ in
                 in
                   if (isInt level)
                   then level
-                  else helpers.mkRaw "vim.log.levels.${string.toUpper level}";
+                  else helpers.mkRaw "vim.log.levels.${strings.toUpper level}";
               })
               cfg.logger.modes;
             float_precision = cfg.logger.floatPrecision;
diff --git a/plugins/utils/nvim-tree.nix b/plugins/utils/nvim-tree.nix
index 054d7e13..70423af8 100644
--- a/plugins/utils/nvim-tree.nix
+++ b/plugins/utils/nvim-tree.nix
@@ -994,7 +994,7 @@ in {
               name: value:
                 if value == null
                 then null
-                else helpers.mkRaw "vim.diagnostic.severity.${string.toUpper value}"
+                else helpers.mkRaw "vim.diagnostic.severity.${strings.toUpper value}"
             )
             severity;
         };