diff --git a/lib/xdg-app-helper.c b/lib/xdg-app-helper.c
index 6d3703ffe..f3057a251 100644
--- a/lib/xdg-app-helper.c
+++ b/lib/xdg-app-helper.c
@@ -2199,6 +2199,10 @@ main (int argc,
           xunsetenv ("DISPLAY");
         }
     }
+  else
+    {
+      xunsetenv ("DISPLAY");
+    }
 
   /* Bind mount in the Wayland socket */
   if (wayland_socket != 0)