diff --git a/test/regression/1051-crash-on-empty-param/cmd b/test/regression/1051-crash-on-empty-param/cmd
new file mode 100644
index 00000000..b21511a9
--- /dev/null
+++ b/test/regression/1051-crash-on-empty-param/cmd
@@ -0,0 +1 @@
+:echo -debug %opt{ui_options}<ret>
diff --git a/test/regression/1051-crash-on-empty-param/in b/test/regression/1051-crash-on-empty-param/in
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/test/regression/1051-crash-on-empty-param/in
@@ -0,0 +1 @@
+