diff --git a/src/login.c b/src/login.c
index 9dee06b..a7d109b 100644
--- a/src/login.c
+++ b/src/login.c
@@ -265,13 +265,14 @@ void env_xdg_session(const enum display_server display_server)
 	}
 }
 
-void env_xdg(const char* tty_id)
+void env_xdg(const char* tty_id, const char* desktop_name)
 {
     char user[15];
     snprintf(user, 15, "/run/user/%d", getuid());
     setenv("XDG_RUNTIME_DIR", user, 0);
     setenv("XDG_SESSION_CLASS", "user", 0);
     setenv("XDG_SESSION_ID", "1", 0);
+    setenv("XDG_SESSION_DESKTOP", desktop_name, 0);
     setenv("XDG_SEAT", "seat0", 0);
     setenv("XDG_VTNR", tty_id, 0);
 }
@@ -608,7 +609,7 @@ void auth(
 		}
 
 		// add xdg variables
-		env_xdg(tty_id);
+		env_xdg(tty_id, desktop->list[desktop->cur]);
 
 		// execute
 		int ok = chdir(pwd->pw_dir);