diff --git a/modules/services/window-managers/hyprland.nix b/modules/services/window-managers/hyprland.nix
index 3cd3a4b80..ec7fc118d 100644
--- a/modules/services/window-managers/hyprland.nix
+++ b/modules/services/window-managers/hyprland.nix
@@ -243,11 +243,11 @@ in {
         + lib.optionalString (cfg.extraConfig != "") cfg.extraConfig;
 
       onChange = lib.mkIf (cfg.package != null) ''
-        (  # execute in subshell so that `shopt` won't affect other scripts
-          shopt -s nullglob  # so that nothing is done if /tmp/hypr/ does not exist or is empty
-          for instance in /tmp/hypr/*; do
-            HYPRLAND_INSTANCE_SIGNATURE=''${instance##*/} ${cfg.finalPackage}/bin/hyprctl reload config-only \
-              || true  # ignore dead instance(s)
+        ( # Execute in subshell so we don't poision environment with vars
+          # This var must be set for hyprctl to function, but the value doesn't matter.
+          export HYPRLAND_INSTANCE_SIGNATURE="bogus"
+          for i in $(${cfg.finalPackage}/bin/hyprctl instances -j | jq ".[].instance" -r); do
+            HYPRLAND_INSTANCE_SIGNATURE=$i ${cfg.finalPackage}/bin/hyprctl reload config-only
           done
         )
       '';