diff --git a/modules/fastfetch.nix b/modules/fastfetch.nix
index 02549e1..4b4ec8b 100644
--- a/modules/fastfetch.nix
+++ b/modules/fastfetch.nix
@@ -165,7 +165,7 @@ in
           },
           {
             "type": "custom",
-            "format": "  󰣇 Preset: ${cfg.preset or "custom"}",
+            "format": "  󰣇 Preset: ${if cfg.preset == null then "custom" else cfg.preset}",
             "keyColor": "magenta"
           },
           {