diff --git a/hosts/common/configs/system/impermanence/options.nix b/hosts/common/configs/system/impermanence/options.nix
index e1fb9ee..0ccdf85 100644
--- a/hosts/common/configs/system/impermanence/options.nix
+++ b/hosts/common/configs/system/impermanence/options.nix
@@ -223,6 +223,7 @@ in
               serviceConfig = {
                 Type = "oneshot";
                 RemainAfterExit = true;
+                TimeoutStopSec = "1800";
               };
               script = ''
                 source=${lib.strings.escapeShellArg c._sourceRoot}