diff --git a/pkgs/applications/networking/syncthing/default.nix b/pkgs/applications/networking/syncthing/default.nix
index 722d0695cc6..8fe9af549bf 100644
--- a/pkgs/applications/networking/syncthing/default.nix
+++ b/pkgs/applications/networking/syncthing/default.nix
@@ -63,18 +63,18 @@ in {
       done
 
     '' + lib.optionalString (stdenv.isLinux) ''
-      mkdir -p $out/lib/systemd/{system,user}
+      mkdir -p $bin/lib/systemd/{system,user}
 
       substitute etc/linux-systemd/system/syncthing-resume.service \
-                 $out/lib/systemd/system/syncthing-resume.service \
+                 $bin/lib/systemd/system/syncthing-resume.service \
                  --replace /usr/bin/pkill ${procps}/bin/pkill
 
       substitute etc/linux-systemd/system/syncthing@.service \
-                 $out/lib/systemd/system/syncthing@.service \
+                 $bin/lib/systemd/system/syncthing@.service \
                  --replace /usr/bin/syncthing $bin/bin/syncthing
 
       substitute etc/linux-systemd/user/syncthing.service \
-                 $out/lib/systemd/user/syncthing.service \
+                 $bin/lib/systemd/user/syncthing.service \
                  --replace /usr/bin/syncthing $bin/bin/syncthing
     '';
   };