diff --git a/src/video/wayland/SDL_waylandmessagebox.c b/src/video/wayland/SDL_waylandmessagebox.c
index 03ff969c4..2a8540d06 100644
--- a/src/video/wayland/SDL_waylandmessagebox.c
+++ b/src/video/wayland/SDL_waylandmessagebox.c
@@ -212,6 +212,7 @@ int Wayland_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *button
         FILE *outputfp = NULL;
         char *output = NULL;
         char *tmp = NULL;
+        close(fd_pipe[1]);
 
         if (!buttonID) {
             /* if we don't need buttonID, we can return immediately */