diff --git a/systems/galandor/configuration.nix b/systems/galandor/configuration.nix
index 385cd40..f510588 100644
--- a/systems/galandor/configuration.nix
+++ b/systems/galandor/configuration.nix
@@ -169,7 +169,7 @@
     bindsTo = [ "cosmic-session.target" ];
     description = "Hot corners for cosmic";
     serviceConfig = {
-      ExecCondition = "pgrep -xf cosmic-workspaces";
+      ExecCondition = "${pkgs.procps}/bin/pgrep -xf cosmic-workspaces";
       ExecStart = "waycorner";
       Restart = "on-failure";
       RestartSec = 2;