diff --git a/app/main.c b/app/main.c
index 2405e659ad..a77f91fa00 100644
--- a/app/main.c
+++ b/app/main.c
@@ -310,7 +310,7 @@ static const GOptionEntry main_entries[] =
     N_("Show a preferences page with experimental features"), NULL
   },
   {
-    "show-debug-menu", 0, G_OPTION_FLAG_HIDDEN,
+    "show-debug-menu", 0, 0,
     G_OPTION_ARG_NONE, &show_debug_menu,
     N_("Show an image submenu with debug actions"), NULL
   },
diff --git a/etc/bash_completion.in b/etc/bash_completion.in
index eb27cc5bad..4798a2cec2 100644
--- a/etc/bash_completion.in
+++ b/etc/bash_completion.in
@@ -34,6 +34,7 @@ __gimp()
         "--pdb-compat-mode"
         "--session"
         "--show-playground"
+        "--show-debug-menu"
         "--stack-trace-mode"
         "--system-gimprc"
         "--verbose"