diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index 8a38833ae9..4221a1c1d6 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -1596,11 +1596,15 @@ gtk_window_button_release_callback( GtkWidget *WXUNUSED(widget),
     event.SetEventObject( win );
     event.SetId( win->GetId() );
 
-    bool ret = win->GTKProcessEvent(event);
+    // We ignore the result of the event processing here as we don't really
+    // want to prevent the other handlers from running even if we did process
+    // this event ourselves, there is no real advantage in doing this and it
+    // could actually be harmful, see #16055.
+    (void)win->GTKProcessEvent(event);
 
     g_lastMouseEvent = NULL;
 
-    return ret;
+    return FALSE;
 }
 
 //-----------------------------------------------------------------------------