diff --git a/modules/system/defaults/screencapture.nix b/modules/system/defaults/screencapture.nix
index f7b926a..b5efc22 100644
--- a/modules/system/defaults/screencapture.nix
+++ b/modules/system/defaults/screencapture.nix
@@ -1,4 +1,4 @@
-{ config, lib, ... }:
+{ lib, ... }:
 
 with lib;
 
@@ -28,5 +28,13 @@ with lib;
           Disable drop shadow border around screencaptures. The default is false.
         '';
     };
+
+    system.defaults.screencapture.show-thumbnail = mkOption {
+      type = types.nullOr types.bool;
+      default = null;
+      description = ''
+        Show thumbnail after screencapture before writing to file. The default is true.
+      '';
+    };
   };
 }