diff --git a/intern/ghost/intern/GHOST_WindowWayland.cc b/intern/ghost/intern/GHOST_WindowWayland.cc
index 0aac2299fab..dd2354dce77 100644
--- a/intern/ghost/intern/GHOST_WindowWayland.cc
+++ b/intern/ghost/intern/GHOST_WindowWayland.cc
@@ -1311,7 +1311,10 @@ static void libdecor_frame_handle_configure(libdecor_frame *frame,
       }
     }
     if (decor.initial_configure_seen_with_size == false) {
-      if (is_main_thread) {
+#  ifdef USE_EVENT_BACKGROUND_THREAD
+      if (is_main_thread)
+#  endif
+      {
         if (size_next[0] && size_next[1]) {
           decor.initial_configure_seen_with_size = true;
         }
diff --git a/intern/ghost/intern/GHOST_WindowWayland.hh b/intern/ghost/intern/GHOST_WindowWayland.hh
index e3f15ecc2f4..71a07573806 100644
--- a/intern/ghost/intern/GHOST_WindowWayland.hh
+++ b/intern/ghost/intern/GHOST_WindowWayland.hh
@@ -51,6 +51,9 @@
  *
  * - Lock #GWL_Window.frame_pending_mutex before changing window size & frame settings,
  *   this is flushed in #GHOST_WindowWayland::pending_actions_handle.
+ *
+ * \note Keep this define as it can be useful to disable threading when troubleshooting
+ * issues with events.
  */
 #define USE_EVENT_BACKGROUND_THREAD