diff --git a/tests/functions.24.js b/tests/functions.24.js
new file mode 100644
index 0000000..fd14840
--- /dev/null
+++ b/tests/functions.24.js
@@ -0,0 +1,3 @@
+yr.externals.makeObject = function(scalar1, scalar2) {
+    return { val1: scalar1, val2: scalar2 };
+};
diff --git a/tests/functions.24.yate b/tests/functions.24.yate
new file mode 100644
index 0000000..9f73ddb
--- /dev/null
+++ b/tests/functions.24.yate
@@ -0,0 +1,14 @@
+/// {
+///     description: 'external function signature is not checked',
+///     externals: 'functions.24.js',
+///     data: {},
+///     result: '',
+///     throws: true
+/// }
+
+external object makeObject(scalar)
+
+match / {
+    o = makeObject(1, 2)
+}
+