diff --git a/src/dictionary-builder.test.mjs b/src/dictionary-builder.test.mjs
index c969938dea7a35b9f231f5a50e97782e978f3248..7b798f587da67db0a67d16aa8446d3844b02d4db 100644
--- a/src/dictionary-builder.test.mjs
+++ b/src/dictionary-builder.test.mjs
@@ -63,3 +63,6 @@ test('regLikeVariants handle plop:\\:', t => {
 test('regLikeVariants handle [\\]*]', t => {
 	t.deepEqual(app.regLikeVariants('[\\]*]'), [']', '*']);
 });
+test('regLikeVariants handle escaping common chr \\a', t => {
+	t.deepEqual(app.regLikeVariants('\\a'), ['a']);
+});