diff --git a/nixos/modules/services/x11/compton.nix b/nixos/modules/services/x11/compton.nix
index 8701354b5285..11cbcac6fa85 100644
--- a/nixos/modules/services/x11/compton.nix
+++ b/nixos/modules/services/x11/compton.nix
@@ -221,7 +221,7 @@ in {
     };
 
     extraOptions = mkOption {
-      type = types.str;
+      type = types.lines;
       default = "";
       example = ''
         unredir-if-possible = true;