diff --git a/Justfile b/Justfile
index 3f3d5be..eceee14 100644
--- a/Justfile
+++ b/Justfile
@@ -9,7 +9,8 @@ target := if debug == '1' { 'debug' } else { 'release' }
 vendor_args := if vendor == '1' { '--frozen --offline' } else { '' }
 debug_args := if debug == '1' { '' } else { '--release' }
 cargo_args := vendor_args + ' ' + debug_args
-xdp_cosmic := '/usr/libexec/xdg-desktop-portal-cosmic'
+
+xdp_cosmic := env('LIBEXECDIR', '/usr/libexec') + '/xdg-desktop-portal-cosmic'
 orca := '/usr/bin/orca'
 
 bindir := prefix + '/bin'